12615604356 has 24 divisors (see below), whose sum is σ = 29440500544. Its totient is φ = 4204617120.

The previous prime is 12615604333. The next prime is 12615604361. The reversal of 12615604356 is 65340651621.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21846 + ... + 160338.

Almost surely, 2^12615604356 is an apocalyptic number.

It is an amenable number.

12615604356 is an abundant number, since it is smaller than the sum of its proper divisors (16824896188).

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

12615604356 is a wasteful number, since it uses less digits than its factorization.

12615604356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146091 (or 146089 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 12615604356 in words is "twelve billion, six hundred fifteen million, six hundred four thousand, three hundred fifty-six".