11603...29007 (1232-digits)

This number is a prime.

462^462+462+1 is the largest known prime of the form n^n+n+1 (the 6th prime of this form, the other five smaller primes are: 1^1+1+1, 2^2+2+1, 3^3+3+1, 6^6+6+1, 9^9+9+1). [Rosenthal]