15192079157 has 4 divisors (see below), whose sum is σ = 15331456140. Its totient is φ = 15052702176.

The previous prime is 15192079061. The next prime is 15192079211. The reversal of 15192079157 is 75197029151.

15192079157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7256654596 + 7935424561 = 85186^2 + 89081^2 .

It is a cyclic number.

It is not a de Polignac number, because 15192079157 - 2⁸ = 15192078901 is a prime.

It is a super-2 number, since 2×15192079157² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15192079757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69688328 + ... + 69688545.

It is an arithmetic number, because the mean of its divisors is an integer number (3832864035).

Almost surely, 2^15192079157 is an apocalyptic number.

It is an amenable number.

15192079157 is a deficient number, since it is larger than the sum of its proper divisors (139376983).

15192079157 is a wasteful number, since it uses less digits than its factorization.

15192079157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139376982.

The product of its (nonzero) digits is 198450, while the sum is 47.

The spelling of 15192079157 in words is "fifteen billion, one hundred ninety-two million, seventy-nine thousand, one hundred fifty-seven".