12638052553925 has 24 divisors (see below), whose sum is σ = 16038307039200. Its totient is φ = 9875772204480.

The previous prime is 12638052553909. The next prime is 12638052553957. The reversal of 12638052553925 is 52935525083621.

It is not a de Polignac number, because 12638052553925 - 2⁴ = 12638052553909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27055595 + ... + 27518744.

It is an arithmetic number, because the mean of its divisors is an integer number (668262793300).

Almost surely, 2^{12638052553925} is an apocalyptic number.

It is an amenable number.

12638052553925 is a deficient number, since it is larger than the sum of its proper divisors (3400254485275).

12638052553925 is a wasteful number, since it uses less digits than its factorization.

12638052553925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54574565 (or 54574560 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 56.

The spelling of 12638052553925 in words is "twelve trillion, six hundred thirty-eight billion, fifty-two million, five hundred fifty-three thousand, nine hundred twenty-five".