12790968515 has 16 divisors (see below), whose sum is σ = 16681526400. Its totient is φ = 9358975872.

The previous prime is 12790968493. The next prime is 12790968517. The reversal of 12790968515 is 51586909721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12790968515 - 2²⁴ = 12774191299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12790968517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895595 + ... + 909764.

It is an arithmetic number, because the mean of its divisors is an integer number (1042595400).

Almost surely, 2^12790968515 is an apocalyptic number.

12790968515 is a deficient number, since it is larger than the sum of its proper divisors (3890557885).

12790968515 is a wasteful number, since it uses less digits than its factorization.

12790968515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805486.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 12790968515 in words is "twelve billion, seven hundred ninety million, nine hundred sixty-eight thousand, five hundred fifteen".