91133201132 has 6 divisors (see below), whose sum is σ = 159483101988. Its totient is φ = 45566600564.

The previous prime is 91133201069. The next prime is 91133201143. The reversal of 91133201132 is 23110233119.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11391650138 + ... + 11391650145.

It is an arithmetic number, because the mean of its divisors is an integer number (26580516998).

Almost surely, 2^91133201132 is an apocalyptic number.

It is an amenable number.

91133201132 is a deficient number, since it is larger than the sum of its proper divisors (68349900856).

91133201132 is a wasteful number, since it uses less digits than its factorization.

91133201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22783300287 (or 22783300285 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 91133201132 in words is "ninety-one billion, one hundred thirty-three million, two hundred one thousand, one hundred thirty-two".