11188568874 has 64 divisors (see below), whose sum is σ = 26940764160. Its totient is φ = 3026134080.

The previous prime is 11188568863. The next prime is 11188568903. The reversal of 11188568874 is 47886588111.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186719 + ... + 1196109.

It is an arithmetic number, because the mean of its divisors is an integer number (420949440).

Almost surely, 2^11188568874 is an apocalyptic number.

11188568874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11188568874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13470382080).

11188568874 is an abundant number, since it is smaller than the sum of its proper divisors (15752195286).

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

11188568874 is a wasteful number, since it uses less digits than its factorization.

11188568874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10915.

The product of its digits is 3440640, while the sum is 57.

The spelling of 11188568874 in words is "eleven billion, one hundred eighty-eight million, five hundred sixty-eight thousand, eight hundred seventy-four".