11398858875 has 96 divisors (see below), whose sum is σ = 21287185920. Its totient is φ = 5862240000.

The previous prime is 11398858789. The next prime is 11398858897. The reversal of 11398858875 is 57885889311.

11398858875 is a `hidden beast` number, since 11 + 39 + 8 + 8 + 588 + 7 + 5 = 666.

It is not a de Polignac number, because 11398858875 - 2¹⁰ = 11398857851 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16077021 + ... + 16077729.

It is an arithmetic number, because the mean of its divisors is an integer number (221741520).

Almost surely, 2^11398858875 is an apocalyptic number.

11398858875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11398858875 is a deficient number, since it is larger than the sum of its proper divisors (9888327045).

11398858875 is a wasteful number, since it uses less digits than its factorization.

11398858875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1209 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 63.

The spelling of 11398858875 in words is "eleven billion, three hundred ninety-eight million, eight hundred fifty-eight thousand, eight hundred seventy-five".