111243681056 has 24 divisors (see below), whose sum is σ = 219047834880. Its totient is φ = 55612484928.

The previous prime is 111243681049. The next prime is 111243681067. The reversal of 111243681056 is 650186342111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97136 + ... + 481583.

It is an arithmetic number, because the mean of its divisors is an integer number (9126993120).

Almost surely, 2^111243681056 is an apocalyptic number.

111243681056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111243681056 is a deficient number, since it is larger than the sum of its proper divisors (107804153824).

111243681056 is an equidigital number, since it uses as much as digits as its factorization.

111243681056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584736 (or 584728 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 111243681056 in words is "one hundred eleven billion, two hundred forty-three million, six hundred eighty-one thousand, fifty-six".