12795806665111 has 2 divisors, whose sum is σ = 12795806665112. Its totient is φ = 12795806665110.

The previous prime is 12795806665063. The next prime is 12795806665123. The reversal of 12795806665111 is 11156660859721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12795806665111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12795806165111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6397903332555 + 6397903332556.

It is an arithmetic number, because the mean of its divisors is an integer number (6397903332556).

Almost surely, 2^{12795806665111} is an apocalyptic number.

12795806665111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12795806665111 is an equidigital number, since it uses as much as digits as its factorization.

12795806665111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 12795806665111 in words is "twelve trillion, seven hundred ninety-five billion, eight hundred six million, six hundred sixty-five thousand, one hundred eleven".