91153201132 has 24 divisors (see below), whose sum is σ = 184010206464. Its totient is φ = 38700556752.

The previous prime is 91153201129. The next prime is 91153201163. The reversal of 91153201132 is 23110235119.

It is a super-2 number, since 2×91153201132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 91153201132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15209488 + ... + 15215479.

It is an arithmetic number, because the mean of its divisors is an integer number (7667091936).

Almost surely, 2^91153201132 is an apocalyptic number.

It is an amenable number.

91153201132 is an abundant number, since it is smaller than the sum of its proper divisors (92857005332).

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

91153201132 is a wasteful number, since it uses less digits than its factorization.

91153201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30425085 (or 30425083 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 91153201132 in words is "ninety-one billion, one hundred fifty-three million, two hundred one thousand, one hundred thirty-two".