Eb 13sus4, 1st inversion (G# in the bass)
Also written as Eb13sus4/G#.
Notes, from the bass up
G# (bass)A#C#E#B#D#
The same notes as Eb 13sus4 (G#, A#, C#, E#, B# and D#), rearranged so G# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.