111249996 has 72 divisors (see below), whose sum is σ = 306702144. Its totient is φ = 31112640.

The previous prime is 111249973. The next prime is 111250033. The reversal of 111249996 is 699942111.

It is a happy number.

It is a super-2 number, since 2×111249996² = 24753123220000032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19815 + ... + 24801.

It is an arithmetic number, because the mean of its divisors is an integer number (4259752).

Almost surely, 2^111249996 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 111249996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153351072).

111249996 is an abundant number, since it is smaller than the sum of its proper divisors (195452148).

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

111249996 is a wasteful number, since it uses less digits than its factorization.

111249996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031 (or 5016 counting only the distinct ones).

The product of its digits is 34992, while the sum is 42.

The square root of 111249996 is about 10547.5113652463. The cubic root of 111249996 is about 480.9500800397.

The spelling of 111249996 in words is "one hundred eleven million, two hundred forty-nine thousand, nine hundred ninety-six".