91092001100 has 18 divisors (see below), whose sum is σ = 197669642604. Its totient is φ = 36436800400.

The previous prime is 91092001079. The next prime is 91092001139. The reversal of 91092001100 is 110029019.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 455459906 + ... + 455460105.

Almost surely, 2^91092001100 is an apocalyptic number.

It is an amenable number.

91092001100 is an abundant number, since it is smaller than the sum of its proper divisors (106577641504).

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

91092001100 is a wasteful number, since it uses less digits than its factorization.

91092001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910920025 (or 910920018 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 91092001100 in words is "ninety-one billion, ninety-two million, one thousand, one hundred".