111996860 has 24 divisors (see below), whose sum is σ = 235823616. Its totient is φ = 44678720.

The previous prime is 111996823. The next prime is 111996877. The reversal of 111996860 is 68699111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 14970.

It is an arithmetic number, because the mean of its divisors is an integer number (9825984).

Almost surely, 2^111996860 is an apocalyptic number.

111996860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111996860 is an abundant number, since it is smaller than the sum of its proper divisors (123826756).

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

111996860 is a wasteful number, since it uses less digits than its factorization.

111996860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15013 (or 15011 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 111996860 is about 10582.8568921629. The cubic root of 111996860 is about 482.0239481223.

It can be divided in two parts, 1119 and 96860, that added together give a palindrome (97979).

The spelling of 111996860 in words is "one hundred eleven million, nine hundred ninety-six thousand, eight hundred sixty".