Quran 38:73 from Surah Saad on Divine Marvels.
فَسَجَدَ ٱلۡمَلَٰٓئِكَةُ كُلُّهُمۡ أَجۡمَعُونَ
English translation: So prostrated the Angels all of them together
Transliteration: fasajada al-malaikatu kulluhum ajma'una