157157020515 has 16 divisors (see below), whose sum is σ = 274310436096. Its totient is φ = 76197343200.

The previous prime is 157157020511. The next prime is 157157020529. The reversal of 157157020515 is 515020751751.

157157020515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157157020515 - 2² = 157157020511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157157020511) 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 15 ways as a sum of consecutive naturals, for example, 476233231 + ... + 476233560.

It is an arithmetic number, because the mean of its divisors is an integer number (17144402256).

Almost surely, 2^157157020515 is an apocalyptic number.

157157020515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157157020515 is a deficient number, since it is larger than the sum of its proper divisors (117153415581).

157157020515 is a wasteful number, since it uses less digits than its factorization.

157157020515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952466810.

The product of its (nonzero) digits is 61250, while the sum is 39.

The spelling of 157157020515 in words is "one hundred fifty-seven billion, one hundred fifty-seven million, twenty thousand, five hundred fifteen".