91232287274112 has 32 divisors (see below), whose sum is σ = 242335763072880. Its totient is φ = 30410762424576.

The previous prime is 91232287274053. The next prime is 91232287274119. The reversal of 91232287274112 is 21147278223219.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (91232287274119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118792040338 + ... + 118792041105.

Almost surely, 2^{91232287274112} is an apocalyptic number.

It is an amenable number.

91232287274112 is an abundant number, since it is smaller than the sum of its proper divisors (151103475798768).

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

91232287274112 is a wasteful number, since it uses less digits than its factorization.

91232287274112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237584081460 (or 237584081448 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The spelling of 91232287274112 in words is "ninety-one trillion, two hundred thirty-two billion, two hundred eighty-seven million, two hundred seventy-four thousand, one hundred twelve".