90031121118032 has 20 divisors (see below), whose sum is σ = 176128843743840. Its totient is φ = 44578516280928.

The previous prime is 90031121117921. The next prime is 90031121118049. The reversal of 90031121118032 is 23081112113009.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90031121118032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27315265682 + ... + 27315268977.

It is an arithmetic number, because the mean of its divisors is an integer number (8806442187192).

Almost surely, 2^{90031121118032} is an apocalyptic number.

It is an amenable number.

90031121118032 is a deficient number, since it is larger than the sum of its proper divisors (86097722625808).

90031121118032 is a wasteful number, since it uses less digits than its factorization.

90031121118032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54630534770 (or 54630534764 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 90031121118032 in words is "ninety trillion, thirty-one billion, one hundred twenty-one million, one hundred eighteen thousand, thirty-two".