12525375656 has 16 divisors (see below), whose sum is σ = 24242663040. Its totient is φ = 6060665520.

The previous prime is 12525375637. The next prime is 12525375713. The reversal of 12525375656 is 65657352521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12525375656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25252526 + ... + 25253021.

It is an arithmetic number, because the mean of its divisors is an integer number (1515166440).

Almost surely, 2^12525375656 is an apocalyptic number.

It is an amenable number.

12525375656 is a deficient number, since it is larger than the sum of its proper divisors (11717287384).

12525375656 is a wasteful number, since it uses less digits than its factorization.

12525375656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50505584 (or 50505580 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 47.

The spelling of 12525375656 in words is "twelve billion, five hundred twenty-five million, three hundred seventy-five thousand, six hundred fifty-six".