12625514564555 has 32 divisors (see below), whose sum is σ = 15510401976960. Its totient is φ = 9862481341440.

The previous prime is 12625514564477. The next prime is 12625514564567. The reversal of 12625514564555 is 55546541552621.

It is a de Polignac number, because none of the positive numbers 2^k-12625514564555 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12625514564555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52217681 + ... + 52458909.

It is an arithmetic number, because the mean of its divisors is an integer number (484700061780).

Almost surely, 2^{12625514564555} is an apocalyptic number.

12625514564555 is a deficient number, since it is larger than the sum of its proper divisors (2884887412405).

12625514564555 is a wasteful number, since it uses less digits than its factorization.

12625514564555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242231.

The product of its digits is 36000000, while the sum is 56.

The spelling of 12625514564555 in words is "twelve trillion, six hundred twenty-five billion, five hundred fourteen million, five hundred sixty-four thousand, five hundred fifty-five".