112517566520421 has 8 divisors (see below), whose sum is σ = 152078537397760. Its totient is φ = 73984153328352.

The previous prime is 112517566520407. The next prime is 112517566520461. The reversal of 112517566520421 is 124025665715211.

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

It is not a de Polignac number, because 112517566520421 - 2⁵ = 112517566520389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112517566520461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256889421061 + ... + 256889421498.

It is an arithmetic number, because the mean of its divisors is an integer number (19009817174720).

Almost surely, 2^{112517566520421} is an apocalyptic number.

It is an amenable number.

112517566520421 is a deficient number, since it is larger than the sum of its proper divisors (39560970877339).

112517566520421 is an equidigital number, since it uses as much as digits as its factorization.

112517566520421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513778842635.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 112517566520421 in words is "one hundred twelve trillion, five hundred seventeen billion, five hundred sixty-six million, five hundred twenty thousand, four hundred twenty-one".