99531532304232 has 128 divisors (see below), whose sum is σ = 301569185341440. Its totient is φ = 26723413785600.

The previous prime is 99531532304207. The next prime is 99531532304261. The reversal of 99531532304232 is 23240323513599.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25084144 + ... + 28779807.

It is an arithmetic number, because the mean of its divisors is an integer number (2356009260480).

Almost surely, 2^{99531532304232} is an apocalyptic number.

It is an amenable number.

99531532304232 is an abundant number, since it is smaller than the sum of its proper divisors (202037653037208).

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

99531532304232 is a wasteful number, since it uses less digits than its factorization.

99531532304232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53864631 (or 53864627 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 51.

The spelling of 99531532304232 in words is "ninety-nine trillion, five hundred thirty-one billion, five hundred thirty-two million, three hundred four thousand, two hundred thirty-two".