12637637500005 has 24 divisors (see below), whose sum is σ = 25034558095872. Its totient is φ = 5777205714144.

The previous prime is 12637637499979. The next prime is 12637637500049. The reversal of 12637637500005 is 50000573673621.

12637637500005 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 7 + 637 + 5 + 0 + 0 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 12637637500005 - 2⁸ = 12637637499749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 20059741749 + ... + 20059742378.

It is an arithmetic number, because the mean of its divisors is an integer number (1043106587328).

Almost surely, 2^{12637637500005} is an apocalyptic number.

12637637500005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12637637500005 is a deficient number, since it is larger than the sum of its proper divisors (12396920595867).

12637637500005 is a wasteful number, since it uses less digits than its factorization.

12637637500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40119484145 (or 40119484142 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 12637637500005 in words is "twelve trillion, six hundred thirty-seven billion, six hundred thirty-seven million, five hundred thousand, five".