112556521 has 32 divisors (see below), whose sum is σ = 145587456. Its totient is φ = 84480000.

The previous prime is 112556489. The next prime is 112556539. The reversal of 112556521 is 125655211.

It is not a de Polignac number, because 112556521 - 2⁵ = 112556489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112556521.

It is not an unprimeable number, because it can be changed into a prime (112556581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318681 + ... + 319033.

It is an arithmetic number, because the mean of its divisors is an integer number (4549608).

Almost surely, 2^112556521 is an apocalyptic number.

112556521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112556521 is a deficient number, since it is larger than the sum of its proper divisors (33030935).

112556521 is a wasteful number, since it uses less digits than its factorization.

112556521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its digits is 3000, while the sum is 28.

The square root of 112556521 is about 10609.2658087165. The cubic root of 112556521 is about 482.8255238423.

The spelling of 112556521 in words is "one hundred twelve million, five hundred fifty-six thousand, five hundred twenty-one".