12633052665 has 24 divisors (see below), whose sum is σ = 21471825600. Its totient is φ = 6341294848.

The previous prime is 12633052639. The next prime is 12633052673. The reversal of 12633052665 is 56625033621.

It is not a de Polignac number, because 12633052665 - 2⁸ = 12633052409 is a prime.

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, 1452765 + ... + 1461434.

It is an arithmetic number, because the mean of its divisors is an integer number (894659400).

Almost surely, 2^12633052665 is an apocalyptic number.

12633052665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12633052665 is a deficient number, since it is larger than the sum of its proper divisors (8838772935).

12633052665 is a wasteful number, since it uses less digits than its factorization.

12633052665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914241 (or 2914224 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 12633052665 in words is "twelve billion, six hundred thirty-three million, fifty-two thousand, six hundred sixty-five".