12637502651264 has 64 divisors (see below), whose sum is σ = 25413030720000. Its totient is φ = 6259356628992.

The previous prime is 12637502651243. The next prime is 12637502651281. The reversal of 12637502651264 is 46215620573621.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62585537 + ... + 62787135.

It is an arithmetic number, because the mean of its divisors is an integer number (397078605000).

Almost surely, 2^{12637502651264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12637502651264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12706515360000).

12637502651264 is an abundant number, since it is smaller than the sum of its proper divisors (12775528068736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12637502651264 is a wasteful number, since it uses less digits than its factorization.

12637502651264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206215 (or 206203 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 12637502651264 in words is "twelve trillion, six hundred thirty-seven billion, five hundred two million, six hundred fifty-one thousand, two hundred sixty-four".