112517543521 has 8 divisors (see below), whose sum is σ = 112934430720. Its totient is φ = 112101298272.

The previous prime is 112517543513. The next prime is 112517543557. The reversal of 112517543521 is 125345715211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112517543521 - 2³ = 112517543513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112517543581) 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 7 ways as a sum of consecutive naturals, for example, 192141 + ... + 511813.

It is an arithmetic number, because the mean of its divisors is an integer number (14116803840).

Almost surely, 2^112517543521 is an apocalyptic number.

It is an amenable number.

112517543521 is a deficient number, since it is larger than the sum of its proper divisors (416887199).

112517543521 is an equidigital number, since it uses as much as digits as its factorization.

112517543521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320975.

The product of its digits is 42000, while the sum is 37.

The spelling of 112517543521 in words is "one hundred twelve billion, five hundred seventeen million, five hundred forty-three thousand, five hundred twenty-one".