111880964772 has 48 divisors (see below), whose sum is σ = 290237277120. Its totient is φ = 37271088576.

The previous prime is 111880964731. The next prime is 111880964809. The reversal of 111880964772 is 277469088111.

111880964772 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 80 + 96 + 477 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133638 + ... + 491549.

It is an arithmetic number, because the mean of its divisors is an integer number (6046609940).

Almost surely, 2^111880964772 is an apocalyptic number.

111880964772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111880964772 is an abundant number, since it is smaller than the sum of its proper divisors (178356312348).

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

111880964772 is a wasteful number, since it uses less digits than its factorization.

111880964772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626857 (or 626849 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The spelling of 111880964772 in words is "one hundred eleven billion, eight hundred eighty million, nine hundred sixty-four thousand, seven hundred seventy-two".