12631325763765 has 32 divisors (see below), whose sum is σ = 20644022071296. Its totient is φ = 6592127600960.

The previous prime is 12631325763757. The next prime is 12631325763779. The reversal of 12631325763765 is 56736752313621.

It is a happy number.

It is not a de Polignac number, because 12631325763765 - 2³ = 12631325763757 is a prime.

It is a congruent number.

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, 2049310 + ... + 5427920.

It is an arithmetic number, because the mean of its divisors is an integer number (645125689728).

Almost surely, 2^{12631325763765} is an apocalyptic number.

12631325763765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12631325763765 is a deficient number, since it is larger than the sum of its proper divisors (8012696307531).

12631325763765 is a wasteful number, since it uses less digits than its factorization.

12631325763765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383969.

The product of its digits is 28576800, while the sum is 57.

The spelling of 12631325763765 in words is "twelve trillion, six hundred thirty-one billion, three hundred twenty-five million, seven hundred sixty-three thousand, seven hundred sixty-five".