11872055188 has 12 divisors (see below), whose sum is σ = 23744110432. Its totient is φ = 5088023640.

The previous prime is 11872055183. The next prime is 11872055197. The reversal of 11872055188 is 88155027811.

11872055188 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11872055183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212000958 + ... + 212001013.

Almost surely, 2^11872055188 is an apocalyptic number.

It is an amenable number.

11872055188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11872055188 is a wasteful number, since it uses less digits than its factorization.

11872055188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424001982 (or 424001980 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 46.

The spelling of 11872055188 in words is "eleven billion, eight hundred seventy-two million, fifty-five thousand, one hundred eighty-eight".