11888021376 has 320 divisors, whose sum is σ = 44111295360. Its totient is φ = 3087590400.

The previous prime is 11888021371. The next prime is 11888021413. The reversal of 11888021376 is 67312088811.

It is a happy number.

11888021376 is a `hidden beast` number, since 1 + 188 + 80 + 21 + 376 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11888021371) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 790891 + ... + 805781.

It is an arithmetic number, because the mean of its divisors is an integer number (137847798).

Almost surely, 2^11888021376 is an apocalyptic number.

11888021376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11888021376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22055647680).

11888021376 is an abundant number, since it is smaller than the sum of its proper divisors (32223273984).

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

11888021376 is a wasteful number, since it uses less digits than its factorization.

11888021376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14935 (or 14914 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 11888021376 in words is "eleven billion, eight hundred eighty-eight million, twenty-one thousand, three hundred seventy-six".