Very large number (6)
'very large number' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for trillion that I've seen before include "Very large number" , "Very many" , "enormous figure" , "A great number" , "Very large power of 10" .)
'very large number' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for googol that I've seen before include "very large number" , "extraordinary figure" , "10100" , "Big number" , "Vast figure" .)