11881904112 has 120 divisors (see below), whose sum is σ = 37917354384. Its totient is φ = 3440904192.

The previous prime is 11881904101. The next prime is 11881904123. The reversal of 11881904112 is 21140918811.

It is an interprime number because it is at equal distance from previous prime (11881904101) and next prime (11881904123).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 154858 + ... + 218505.

Almost surely, 2^11881904112 is an apocalyptic number.

11881904112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11881904112 is an abundant number, since it is smaller than the sum of its proper divisors (26035450272).

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

11881904112 is a wasteful number, since it uses less digits than its factorization.

11881904112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373407 (or 373398 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The spelling of 11881904112 in words is "eleven billion, eight hundred eighty-one million, nine hundred four thousand, one hundred twelve".