91459150555 has 4 divisors (see below), whose sum is σ = 109750980672. Its totient is φ = 73167320440.

The previous prime is 91459150547. The next prime is 91459150571. The reversal of 91459150555 is 55505195419.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 91459150555 - 2³ = 91459150547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91459150499 and 91459150508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9145915051 + ... + 9145915060.

It is an arithmetic number, because the mean of its divisors is an integer number (27437745168).

Almost surely, 2^91459150555 is an apocalyptic number.

91459150555 is a deficient number, since it is larger than the sum of its proper divisors (18291830117).

91459150555 is a wasteful number, since it uses less digits than its factorization.

91459150555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291830116.

The product of its (nonzero) digits is 1012500, while the sum is 49.

The spelling of 91459150555 in words is "ninety-one billion, four hundred fifty-nine million, one hundred fifty thousand, five hundred fifty-five".