حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو أُسَامَةَ، عَنْ شُعْبَةَ، عَنْ قَتَادَةَ، عَنْ عَبَّاسٍ الْجُشَمِيِّ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ ـ صلى الله عليه وسلم ـ قَالَ ‏"‏ إِنَّ سُورَةً فِي الْقُرْآنِ ثَلاَثُونَ آيَةً شَفَعَتْ لِصَاحِبِهَا حَتَّى غُفِرَ لَهُ ‏{تَبَارَكَ الَّذِي بِيَدِهِ الْمُلْكُ}‏ ‏"‏ ‏.‏

It was narrated from Abu Hurairah that the Prophet (PBUH) said: "There is a surah in the Qur'an, with thirty verses, which will intercede for its companion (the one who recites it) until he is forgiven: Tabarakal-ladhi bi yadihil mulk (Blessed is He in Whose Hand is the Dominion)." Translation Not Available

Book Ref: Sunan Ibn Majah Book 33 Hadith 3786
Web Ref:  Sunan Ibn Majah Vol 5 Book 33 Hadith 3786