12515026380 has 24 divisors (see below), whose sum is σ = 35042074032. Its totient is φ = 3337340352.

The previous prime is 12515026373. The next prime is 12515026397. The reversal of 12515026380 is 8362051521.

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, 104291827 + ... + 104291946.

It is an arithmetic number, because the mean of its divisors is an integer number (1460086418).

Almost surely, 2^12515026380 is an apocalyptic number.

12515026380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12515026380 is an abundant number, since it is smaller than the sum of its proper divisors (22527047652).

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

12515026380 is a wasteful number, since it uses less digits than its factorization.

12515026380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208583785 (or 208583783 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 12515026380 in words is "twelve billion, five hundred fifteen million, twenty-six thousand, three hundred eighty".