99911287332 has 36 divisors (see below), whose sum is σ = 252582104320. Its totient is φ = 33299994672.

The previous prime is 99911287321. The next prime is 99911287339. The reversal of 99911287332 is 23378211999.

99911287332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (99911287339) 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, 175269 + ... + 480147.

Almost surely, 2^99911287332 is an apocalyptic number.

It is an amenable number.

99911287332 is an abundant number, since it is smaller than the sum of its proper divisors (152670816988).

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

99911287332 is a wasteful number, since it uses less digits than its factorization.

99911287332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313992 (or 313987 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The spelling of 99911287332 in words is "ninety-nine billion, nine hundred eleven million, two hundred eighty-seven thousand, three hundred thirty-two".