99591634125 has 96 divisors (see below), whose sum is σ = 182085602400. Its totient is φ = 52363238400.

The previous prime is 99591634117. The next prime is 99591634151. The reversal of 99591634125 is 52143619599.

99591634125 is a `hidden beast` number, since 9 + 9 + 591 + 6 + 3 + 41 + 2 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 94323922884 + 5267711241 = 307122^2 + 72579^2 .

It is not a de Polignac number, because 99591634125 - 2³ = 99591634117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38947347 + ... + 38949903.

It is an arithmetic number, because the mean of its divisors is an integer number (1896725025).

Almost surely, 2^99591634125 is an apocalyptic number.

It is an amenable number.

99591634125 is a deficient number, since it is larger than the sum of its proper divisors (82493968275).

99591634125 is a wasteful number, since it uses less digits than its factorization.

99591634125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056 (or 3043 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The spelling of 99591634125 in words is "ninety-nine billion, five hundred ninety-one million, six hundred thirty-four thousand, one hundred twenty-five".