99975135126924 has 36 divisors (see below), whose sum is σ = 253101930974256. Its totient is φ = 33274011274848.

The previous prime is 99975135126917. The next prime is 99975135126929. The reversal of 99975135126924 is 42962153157999.

99975135126924 is a `hidden beast` number, since 9 + 9 + 9 + 7 + 5 + 1 + 351 + 269 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (99975135126929) 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, 2126383144 + ... + 2126430159.

Almost surely, 2^{99975135126924} is an apocalyptic number.

It is an amenable number.

99975135126924 is an abundant number, since it is smaller than the sum of its proper divisors (153126795847332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99975135126924 is a wasteful number, since it uses less digits than its factorization.

99975135126924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252813966 (or 4252813961 counting only the distinct ones).

The product of its digits is 330674400, while the sum is 72.

The spelling of 99975135126924 in words is "ninety-nine trillion, nine hundred seventy-five billion, one hundred thirty-five million, one hundred twenty-six thousand, nine hundred twenty-four".