1182932213481679513

This number is a prime.

                                                        118293221 3481679513

The largest prime less than a googol of the form: 16^15+15^14+14^13+13^12+12^11+11^10+10^9+9^8+8^7+7^6+6^5+5^4+4^3+3^2+2^1. [Bajpai]