111384989537808 has 240 divisors, whose sum is σ = 338146693047936. Its totient is φ = 31499564544000.

The previous prime is 111384989537797. The next prime is 111384989537873. The reversal of 111384989537808 is 808735989483111.

It is a super-2 number, since 2×111384989537808² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111384989537808.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194527933 + ... + 195099683.

Almost surely, 2^{111384989537808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111384989537808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169073346523968).

111384989537808 is an abundant number, since it is smaller than the sum of its proper divisors (226761703510128).

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

111384989537808 is a wasteful number, since it uses less digits than its factorization.

111384989537808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572622 (or 572609 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 75.

The spelling of 111384989537808 in words is "one hundred eleven trillion, three hundred eighty-four billion, nine hundred eighty-nine million, five hundred thirty-seven thousand, eight hundred eight".