112810613561 has 4 divisors (see below), whose sum is σ = 113052178512. Its totient is φ = 112569048612.

The previous prime is 112810613533. The next prime is 112810613609. The reversal of 112810613561 is 165316018211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112810613561 - 2¹⁸ = 112810351417 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 (112810613761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120781775 + ... + 120782708.

It is an arithmetic number, because the mean of its divisors is an integer number (28263044628).

Almost surely, 2^112810613561 is an apocalyptic number.

It is an amenable number.

112810613561 is a deficient number, since it is larger than the sum of its proper divisors (241564951).

112810613561 is an equidigital number, since it uses as much as digits as its factorization.

112810613561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241564950.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 112810613561 in words is "one hundred twelve billion, eight hundred ten million, six hundred thirteen thousand, five hundred sixty-one".