11855079900 has 54 divisors (see below), whose sum is σ = 37159092152. Its totient is φ = 3161354400.

The previous prime is 11855079823. The next prime is 11855079917. The reversal of 11855079900 is 997055811.

11855079900 is a `hidden beast` number, since 1 + 1 + 8 + 550 + 7 + 9 + 90 + 0 = 666.

11855079900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6585256 + ... + 6587055.

Almost surely, 2^11855079900 is an apocalyptic number.

11855079900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11855079900 is an abundant number, since it is smaller than the sum of its proper divisors (25304012252).

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

11855079900 is a wasteful number, since it uses less digits than its factorization.

11855079900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172331 (or 13172321 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The spelling of 11855079900 in words is "eleven billion, eight hundred fifty-five million, seventy-nine thousand, nine hundred".