12515548960 has 48 divisors (see below), whose sum is σ = 30367133496. Its totient is φ = 4870914048.

The previous prime is 12515548943. The next prime is 12515548973. The reversal of 12515548960 is 6984551521.

It can be written as a sum of positive squares in 4 ways, for example, as 11713299984 + 802248976 = 108228^2 + 28324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12515548960.

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, 1051137 + ... + 1062976.

Almost surely, 2^12515548960 is an apocalyptic number.

12515548960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12515548960 is an abundant number, since it is smaller than the sum of its proper divisors (17851584536).

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

12515548960 is a wasteful number, since it uses less digits than its factorization.

12515548960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114165 (or 2114157 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The spelling of 12515548960 in words is "twelve billion, five hundred fifteen million, five hundred forty-eight thousand, nine hundred sixty".