91574241715 has 12 divisors (see below), whose sum is σ = 120787182432. Its totient is φ = 66599448080.

The previous prime is 91574241677. The next prime is 91574241749. The reversal of 91574241715 is 51714247519.

It is not a de Polignac number, because 91574241715 - 2⁹ = 91574241203 is a prime.

It is a super-2 number, since 2×91574241715² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75680587 + ... + 75681796.

It is an arithmetic number, because the mean of its divisors is an integer number (10065598536).

Almost surely, 2^91574241715 is an apocalyptic number.

91574241715 is a deficient number, since it is larger than the sum of its proper divisors (29212940717).

91574241715 is a wasteful number, since it uses less digits than its factorization.

91574241715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151362410 (or 151362399 counting only the distinct ones).

The product of its digits is 352800, while the sum is 46.

The spelling of 91574241715 in words is "ninety-one billion, five hundred seventy-four million, two hundred forty-one thousand, seven hundred fifteen".