99117859125 has 16 divisors (see below), whose sum is σ = 164932118208. Its totient is φ = 52862858000.

The previous prime is 99117859081. The next prime is 99117859129. The reversal of 99117859125 is 52195871199.

It is not a de Polignac number, because 99117859125 - 2⁸ = 99117858869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99117859129) 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 15 ways as a sum of consecutive naturals, for example, 132156771 + ... + 132157520.

It is an arithmetic number, because the mean of its divisors is an integer number (10308257388).

Almost surely, 2^99117859125 is an apocalyptic number.

It is an amenable number.

99117859125 is a deficient number, since it is larger than the sum of its proper divisors (65814259083).

99117859125 is a wasteful number, since it uses less digits than its factorization.

99117859125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264314309 (or 264314299 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 57.

The spelling of 99117859125 in words is "ninety-nine billion, one hundred seventeen million, eight hundred fifty-nine thousand, one hundred twenty-five".