13156513124 has 24 divisors (see below), whose sum is σ = 23618931000. Its totient is φ = 6408702720.

The previous prime is 13156513093. The next prime is 13156513127. The reversal of 13156513124 is 42131565131.

It can be written as a sum of positive squares in 4 ways, for example, as 48553024 + 13107960100 = 6968^2 + 114490^2 .

It is not an unprimeable number, because it can be changed into a prime (13156513127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59702 + ... + 172850.

It is an arithmetic number, because the mean of its divisors is an integer number (984122125).

Almost surely, 2^13156513124 is an apocalyptic number.

It is an amenable number.

13156513124 is a deficient number, since it is larger than the sum of its proper divisors (10462417876).

13156513124 is a wasteful number, since it uses less digits than its factorization.

13156513124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113903 (or 113901 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The spelling of 13156513124 in words is "thirteen billion, one hundred fifty-six million, five hundred thirteen thousand, one hundred twenty-four".