91455941132 has 24 divisors (see below), whose sum is σ = 160893643680. Its totient is φ = 45486425600.

The previous prime is 91455941117. The next prime is 91455941173. The reversal of 91455941132 is 23114955419.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5262257 + ... + 5279607.

It is an arithmetic number, because the mean of its divisors is an integer number (6703901820).

Almost surely, 2^91455941132 is an apocalyptic number.

It is an amenable number.

91455941132 is a deficient number, since it is larger than the sum of its proper divisors (69437702548).

91455941132 is a wasteful number, since it uses less digits than its factorization.

91455941132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24241 (or 24239 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The spelling of 91455941132 in words is "ninety-one billion, four hundred fifty-five million, nine hundred forty-one thousand, one hundred thirty-two".