13015504996 has 24 divisors (see below), whose sum is σ = 24561029304. Its totient is φ = 5999366400.

The previous prime is 13015504973. The next prime is 13015505003. The reversal of 13015504996 is 69940551031.

It can be written as a sum of positive squares in 4 ways, for example, as 277222500 + 12738282496 = 16650^2 + 112864^2 .

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, 121705 + ... + 202096.

It is an arithmetic number, because the mean of its divisors is an integer number (1023376221).

Almost surely, 2^13015504996 is an apocalyptic number.

It is an amenable number.

13015504996 is a deficient number, since it is larger than the sum of its proper divisors (11545524308).

13015504996 is a wasteful number, since it uses less digits than its factorization.

13015504996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324591 (or 324589 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 13015504996 in words is "thirteen billion, fifteen million, five hundred four thousand, nine hundred ninety-six".