12431558508660 has 72 divisors (see below), whose sum is σ = 37709366536296. Its totient is φ = 3315055392000.

The previous prime is 12431558508623. The next prime is 12431558508697. The reversal of 12431558508660 is 6680585513421.

12431558508660 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 1 + 558 + 5 + 0 + 86 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12431558508623) and next prime (12431558508697).

It can be written as a sum of positive squares in 4 ways, for example, as 203570611344 + 12227987897316 = 451188^2 + 3496854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12431558508597 and 12431558508606.

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, 32830410 + ... + 33206910.

It is an arithmetic number, because the mean of its divisors is an integer number (523741201893).

Almost surely, 2^{12431558508660} is an apocalyptic number.

12431558508660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12431558508660 is an abundant number, since it is smaller than the sum of its proper divisors (25277808027636).

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

12431558508660 is a wasteful number, since it uses less digits than its factorization.

12431558508660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559953 (or 559948 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 12431558508660 in words is "twelve trillion, four hundred thirty-one billion, five hundred fifty-eight million, five hundred eight thousand, six hundred sixty".