91504836001 has 4 divisors (see below), whose sum is σ = 91983919104. Its totient is φ = 91025752900.

The previous prime is 91504835971. The next prime is 91504836037. The reversal of 91504836001 is 10063840519.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91504836001 - 2²⁵ = 91471281569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91504836061) 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, 239541265 + ... + 239541646.

It is an arithmetic number, because the mean of its divisors is an integer number (22995979776).

Almost surely, 2^91504836001 is an apocalyptic number.

It is an amenable number.

91504836001 is a deficient number, since it is larger than the sum of its proper divisors (479083103).

91504836001 is a wasteful number, since it uses less digits than its factorization.

91504836001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479083102.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 91504836001 in words is "ninety-one billion, five hundred four million, eight hundred thirty-six thousand, one".