157918208913 has 12 divisors (see below), whose sum is σ = 228257497728. Its totient is φ = 105207997560.

The previous prime is 157918208897. The next prime is 157918208951. The reversal of 157918208913 is 319802819751.

It is not a de Polignac number, because 157918208913 - 2⁴ = 157918208897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157918208913.

It is not an unprimeable number, because it can be changed into a prime (157918208113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5886573 + ... + 5913338.

It is an arithmetic number, because the mean of its divisors is an integer number (19021458144).

Almost surely, 2^157918208913 is an apocalyptic number.

It is an amenable number.

157918208913 is a deficient number, since it is larger than the sum of its proper divisors (70339288815).

157918208913 is a wasteful number, since it uses less digits than its factorization.

157918208913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801404 (or 11801401 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 157918208913 in words is "one hundred fifty-seven billion, nine hundred eighteen million, two hundred eight thousand, nine hundred thirteen".