112575021209 has 16 divisors (see below), whose sum is σ = 130824953856. Its totient is φ = 94874446800.

The previous prime is 112575021161. The next prime is 112575021253. The reversal of 112575021209 is 902120575211.

It is not a de Polignac number, because 112575021209 - 2²⁸ = 112306585753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112575021259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 126197 + ... + 490994.

It is an arithmetic number, because the mean of its divisors is an integer number (8176559616).

Almost surely, 2^112575021209 is an apocalyptic number.

It is an amenable number.

112575021209 is a deficient number, since it is larger than the sum of its proper divisors (18249932647).

112575021209 is an equidigital number, since it uses as much as digits as its factorization.

112575021209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617636.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 112575021209 in words is "one hundred twelve billion, five hundred seventy-five million, twenty-one thousand, two hundred nine".