111996576 has 72 divisors (see below), whose sum is σ = 320048820. Its totient is φ = 37149696.

The previous prime is 111996569. The next prime is 111996587. The reversal of 111996576 is 675699111.

It can be written as a sum of positive squares in 2 ways, for example, as 109746576 + 2250000 = 10476^2 + 1500^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66270 + ... + 67938.

Almost surely, 2^111996576 is an apocalyptic number.

111996576 is a gapful number since it is divisible by the number (16) 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 111996576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160024410).

111996576 is an abundant number, since it is smaller than the sum of its proper divisors (208052244).

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

111996576 is a wasteful number, since it uses less digits than its factorization.

111996576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1907 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 111996576 is about 10582.8434742275. The cubic root of 111996576 is about 482.0235406855.

The spelling of 111996576 in words is "one hundred eleven million, nine hundred ninety-six thousand, five hundred seventy-six".