15157253494 has 16 divisors (see below), whose sum is σ = 22774986432. Its totient is φ = 7565604928.

The previous prime is 15157253479. The next prime is 15157253509. The reversal of 15157253494 is 49435275151.

It is an interprime number because it is at equal distance from previous prime (15157253479) and next prime (15157253509).

It is a super-3 number, since 3×15157253494³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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, 3775032 + ... + 3779044.

It is an arithmetic number, because the mean of its divisors is an integer number (1423436652).

Almost surely, 2^15157253494 is an apocalyptic number.

15157253494 is a deficient number, since it is larger than the sum of its proper divisors (7617732938).

15157253494 is a wasteful number, since it uses less digits than its factorization.

15157253494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791.

The product of its digits is 756000, while the sum is 46.

The spelling of 15157253494 in words is "fifteen billion, one hundred fifty-seven million, two hundred fifty-three thousand, four hundred ninety-four".