157117969625 has 16 divisors (see below), whose sum is σ = 196272111360. Its totient is φ = 125573295600.

The previous prime is 157117969621. The next prime is 157117969627. The reversal of 157117969625 is 526969711751.

It is not a de Polignac number, because 157117969625 - 2² = 157117969621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157117969621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475007 + ... + 734756.

It is an arithmetic number, because the mean of its divisors is an integer number (12267006960).

Almost surely, 2^157117969625 is an apocalyptic number.

It is an amenable number.

157117969625 is a deficient number, since it is larger than the sum of its proper divisors (39154141735).

157117969625 is a wasteful number, since it uses less digits than its factorization.

157117969625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210817 (or 1210807 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 59.

The spelling of 157117969625 in words is "one hundred fifty-seven billion, one hundred seventeen million, nine hundred sixty-nine thousand, six hundred twenty-five".