112561056 has 48 divisors (see below), whose sum is σ = 328305600. Its totient is φ = 37520064.

The previous prime is 112561039. The next prime is 112561081. The reversal of 112561056 is 650165211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64276 + ... + 66003.

It is an arithmetic number, because the mean of its divisors is an integer number (6839700).

Almost surely, 2^112561056 is an apocalyptic number.

112561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

112561056 is an abundant number, since it is smaller than the sum of its proper divisors (215744544).

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

112561056 is a wasteful number, since it uses less digits than its factorization.

112561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130298 (or 130284 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 112561056 is about 10609.4795348311. The cubic root of 112561056 is about 482.8320082418.

The spelling of 112561056 in words is "one hundred twelve million, five hundred sixty-one thousand, fifty-six".