111774866112 has 896 divisors, whose sum is σ = 423852441600. Its totient is φ = 28092137472.

The previous prime is 111774866107. The next prime is 111774866149. The reversal of 111774866112 is 211668477111.

111774866112 is a `hidden beast` number, since 11 + 17 + 7 + 4 + 8 + 6 + 611 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

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, 579144288 + ... + 579144480.

It is an arithmetic number, because the mean of its divisors is an integer number (473049600).

Almost surely, 2^111774866112 is an apocalyptic number.

111774866112 is a gapful number since it is divisible by the number (12) 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 111774866112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211926220800).

111774866112 is an abundant number, since it is smaller than the sum of its proper divisors (312077575488).

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

111774866112 is a wasteful number, since it uses less digits than its factorization.

111774866112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 374 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The spelling of 111774866112 in words is "one hundred eleven billion, seven hundred seventy-four million, eight hundred sixty-six thousand, one hundred twelve".