15157253493 has 8 divisors (see below), whose sum is σ = 22455190400. Its totient is φ = 10104835644.

The previous prime is 15157253479. The next prime is 15157253509. The reversal of 15157253493 is 39435275151.

15157253493 is a `hidden beast` number, since 1 + 5 + 157 + 2 + 5 + 3 + 493 = 666.

It is not a de Polignac number, because 15157253493 - 2²⁴ = 15140476277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15157253443) by changing a digit.

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, 280689853 + ... + 280689906.

It is an arithmetic number, because the mean of its divisors is an integer number (2806898800).

Almost surely, 2^15157253493 is an apocalyptic number.

It is an amenable number.

15157253493 is a deficient number, since it is larger than the sum of its proper divisors (7297936907).

15157253493 is an equidigital number, since it uses as much as digits as its factorization.

15157253493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561379768 (or 561379762 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The spelling of 15157253493 in words is "fifteen billion, one hundred fifty-seven million, two hundred fifty-three thousand, four hundred ninety-three".