11716508574 has 80 divisors (see below), whose sum is σ = 27664433280. Its totient is φ = 3696068880.

The previous prime is 11716508563. The next prime is 11716508627. The reversal of 11716508574 is 47580561711.

11716508574 is a `hidden beast` number, since 1 + 1 + 71 + 6 + 5 + 0 + 8 + 574 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4834327 + ... + 4836749.

It is an arithmetic number, because the mean of its divisors is an integer number (345805416).

Almost surely, 2^11716508574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11716508574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13832216640).

11716508574 is an abundant number, since it is smaller than the sum of its proper divisors (15947924706).

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

11716508574 is a wasteful number, since it uses less digits than its factorization.

11716508574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 11716508574 in words is "eleven billion, seven hundred sixteen million, five hundred eight thousand, five hundred seventy-four".