111983904000 has 1152 divisors, whose sum is σ = 442022031360. Its totient is φ = 27869184000.

The previous prime is 111983903957. The next prime is 111983904023. The reversal of 111983904000 is 409389111.

It is a tau number, because it is divible by the number of its divisors (1152).

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 polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 991007944 + ... + 991008056.

It is an arithmetic number, because the mean of its divisors is an integer number (383699680).

Almost surely, 2^111983904000 is an apocalyptic number.

111983904000 is a gapful number since it is divisible by the number (10) 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 111983904000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221011015680).

111983904000 is an abundant number, since it is smaller than the sum of its proper divisors (330038127360).

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

111983904000 is a wasteful number, since it uses less digits than its factorization.

111983904000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 111983904000 in words is "one hundred eleven billion, nine hundred eighty-three million, nine hundred four thousand".