12531580747776 has 120 divisors (see below), whose sum is σ = 37129477797440. Its totient is φ = 4177193435136.

The previous prime is 12531580747753. The next prime is 12531580747783. The reversal of 12531580747776 is 67774708513521.

12531580747776 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 1 + 580 + 7 + 47 + 7 + 7 + 6 = 666.

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, 13721836 + ... + 14606571.

Almost surely, 2^{12531580747776} is an apocalyptic number.

12531580747776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12531580747776 is an abundant number, since it is smaller than the sum of its proper divisors (24597897049664).

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

12531580747776 is an frugal number, since it uses more digits than its factorization.

12531580747776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28328444 (or 28328412 counting only the distinct ones).

The product of its (nonzero) digits is 69148800, while the sum is 63.

The spelling of 12531580747776 in words is "twelve trillion, five hundred thirty-one billion, five hundred eighty million, seven hundred forty-seven thousand, seven hundred seventy-six".