11151431

This number is a prime.

The larger of only two primes (emirps) less than a googol of the form Rm+m!, i.e., for m=8, 11111111+8! = 11151431. The smallest prime (emirp) is 13, for m=2, i.e., 13 = R2+m! = 11+2!. [Loungrides]