12568863951 has 12 divisors (see below), whose sum is σ = 20748600912. Its totient is φ = 7182207936.

The previous prime is 12568863947. The next prime is 12568863953. The reversal of 12568863951 is 15936886521.

12568863951 is a `hidden beast` number, since 12 + 568 + 8 + 63 + 9 + 5 + 1 = 666.

It is not a de Polignac number, because 12568863951 - 2² = 12568863947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12568863953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99752826 + ... + 99752951.

It is an arithmetic number, because the mean of its divisors is an integer number (1729050076).

Almost surely, 2^12568863951 is an apocalyptic number.

12568863951 is a deficient number, since it is larger than the sum of its proper divisors (8179736961).

12568863951 is a wasteful number, since it uses less digits than its factorization.

12568863951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199505790 (or 199505787 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 12568863951 in words is "twelve billion, five hundred sixty-eight million, eight hundred sixty-three thousand, nine hundred fifty-one".