15242...99999 (182-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

                              15 2423511936 3853558649 9098453450 9344810774
0980512445 2543318330 3064886728 2758097038 6277481496 4194949042 8738307250
8707917625 8609902824 9777341689 3366565130 5113190399 9999999999 9999999999

The product of first 97 even numbers (2 through 194) minus 1 is the smallest prime greater than a googol of this type. [Gupta]