12637326051 has 48 divisors (see below), whose sum is σ = 21777986048. Its totient is φ = 7173360000.

The previous prime is 12637326043. The next prime is 12637326067. The reversal of 12637326051 is 15062373621.

12637326051 is a `hidden beast` number, since 1 + 26 + 373 + 260 + 5 + 1 = 666.

It is not a de Polignac number, because 12637326051 - 2³ = 12637326043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12637325997 and 12637326015.

It is not an unprimeable number, because it can be changed into a prime (12637326071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232251 + ... + 281451.

Almost surely, 2^12637326051 is an apocalyptic number.

12637326051 is a deficient number, since it is larger than the sum of its proper divisors (9140659997).

12637326051 is an equidigital number, since it uses as much as digits as its factorization.

12637326051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49374 (or 49362 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 12637326051 its reverse (15062373621), we get a palindrome (27699699672).

The spelling of 12637326051 in words is "twelve billion, six hundred thirty-seven million, three hundred twenty-six thousand, fifty-one".