111963144 has 32 divisors (see below), whose sum is σ = 280415520. Its totient is φ = 37253376.

The previous prime is 111963133. The next prime is 111963151. The reversal of 111963144 is 441369111.

It is a super-2 number, since 2×111963144² = 25071491228729472, 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 7 ways as a sum of consecutive naturals, for example, 10299 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (8762985).

Almost surely, 2^111963144 is an apocalyptic number.

It is an amenable number.

111963144 is an abundant number, since it is smaller than the sum of its proper divisors (168452376).

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

111963144 is a wasteful number, since it uses less digits than its factorization.

111963144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469 (or 8465 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 111963144 is about 10581.2638186561. The cubic root of 111963144 is about 481.9755731037.

The spelling of 111963144 in words is "one hundred eleven million, nine hundred sixty-three thousand, one hundred forty-four".