91132343865204 has 48 divisors (see below), whose sum is σ = 212775467520000. Its totient is φ = 30358405778400.

The previous prime is 91132343865191. The next prime is 91132343865217. The reversal of 91132343865204 is 40256834323119.

It is an interprime number because it is at equal distance from previous prime (91132343865191) and next prime (91132343865217).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140708697 + ... + 141354879.

It is an arithmetic number, because the mean of its divisors is an integer number (4432822240000).

Almost surely, 2^{91132343865204} is an apocalyptic number.

It is an amenable number.

91132343865204 is an abundant number, since it is smaller than the sum of its proper divisors (121643123654796).

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

91132343865204 is a wasteful number, since it uses less digits than its factorization.

91132343865204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653540 (or 653538 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 91132343865204 in words is "ninety-one trillion, one hundred thirty-two billion, three hundred forty-three million, eight hundred sixty-five thousand, two hundred four".