112171816660561 has 8 divisors (see below), whose sum is σ = 128223299603840. Its totient is φ = 96127068143808.

The previous prime is 112171816660531. The next prime is 112171816660567. The reversal of 112171816660561 is 165066618171211.

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 112171816660561 - 2⁵ = 112171816660529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112171816660499 and 112171816660508.

It is not an unprimeable number, because it can be changed into a prime (112171816660567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683570936 + ... + 1683637561.

It is an arithmetic number, because the mean of its divisors is an integer number (16027912450480).

Almost surely, 2^{112171816660561} is an apocalyptic number.

It is an amenable number.

112171816660561 is a deficient number, since it is larger than the sum of its proper divisors (16051482943279).

112171816660561 is an equidigital number, since it uses as much as digits as its factorization.

112171816660561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367213263.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 112171816660561 in words is "one hundred twelve trillion, one hundred seventy-one billion, eight hundred sixteen million, six hundred sixty thousand, five hundred sixty-one".