111369838320 has 960 divisors, whose sum is σ = 448169065344. Its totient is φ = 24524881920.

The previous prime is 111369838319. The next prime is 111369838339. The reversal of 111369838320 is 23838963111.

111369838320 is a `hidden beast` number, since 111 + 369 + 83 + 83 + 20 = 666.

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 polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 280528362 + ... + 280528758.

Almost surely, 2^111369838320 is an apocalyptic number.

111369838320 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 111369838320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224084532672).

111369838320 is an abundant number, since it is smaller than the sum of its proper divisors (336799227024).

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

111369838320 is a wasteful number, since it uses less digits than its factorization.

111369838320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 111369838320 in words is "one hundred eleven billion, three hundred sixty-nine million, eight hundred thirty-eight thousand, three hundred twenty".