12665253902774 has 64 divisors (see below), whose sum is σ = 21132450754560. Its totient is φ = 5644282644000.

The previous prime is 12665253902737. The next prime is 12665253902813. The reversal of 12665253902774 is 47720935256621.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Curzon number.

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, 805106489 + ... + 805122219.

It is an arithmetic number, because the mean of its divisors is an integer number (330194543040).

Almost surely, 2^{12665253902774} is an apocalyptic number.

12665253902774 is a deficient number, since it is larger than the sum of its proper divisors (8467196851786).

12665253902774 is a wasteful number, since it uses less digits than its factorization.

12665253902774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17417.

The product of its (nonzero) digits is 38102400, while the sum is 59.

The spelling of 12665253902774 in words is "twelve trillion, six hundred sixty-five billion, two hundred fifty-three million, nine hundred two thousand, seven hundred seventy-four".