15479253156 has 24 divisors (see below), whose sum is σ = 36120773920. Its totient is φ = 5159391552.

The previous prime is 15479253137. The next prime is 15479253169. The reversal of 15479253156 is 65135297451.

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, 179175 + ... + 251121.

Almost surely, 2^15479253156 is an apocalyptic number.

It is an amenable number.

15479253156 is an abundant number, since it is smaller than the sum of its proper divisors (20641520764).

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

15479253156 is a wasteful number, since it uses less digits than its factorization.

15479253156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89883 (or 89881 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 48.

The spelling of 15479253156 in words is "fifteen billion, four hundred seventy-nine million, two hundred fifty-three thousand, one hundred fifty-six".