11918128 has 20 divisors (see below), whose sum is σ = 23249008. Its totient is φ = 5918400.

The previous prime is 11918087. The next prime is 11918171. The reversal of 11918128 is 82181911.

It is a self number, because there is not a number n which added to its sum of digits gives 11918128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51 + ... + 4882.

Almost surely, 2^11918128 is an apocalyptic number.

It is an amenable number.

11918128 is a deficient number, since it is larger than the sum of its proper divisors (11330880).

11918128 is a wasteful number, since it uses less digits than its factorization.

11918128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092 (or 5086 counting only the distinct ones).

The product of its digits is 1152, while the sum is 31.

The square root of 11918128 is about 3452.2641845606. The cubic root of 11918128 is about 228.4209929760.

The spelling of 11918128 in words is "eleven million, nine hundred eighteen thousand, one hundred twenty-eight".