112661560661761 has 4 divisors (see below), whose sum is σ = 112892898569152. Its totient is φ = 112430222754372.

The previous prime is 112661560661653. The next prime is 112661560661789. The reversal of 112661560661761 is 167166065166211.

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 a de Polignac number, because none of the positive numbers 2^k-112661560661761 is a prime.

It is a super-2 number, since 2×112661560661761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112661510661761) 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, 115668952965 + ... + 115668953938.

It is an arithmetic number, because the mean of its divisors is an integer number (28223224642288).

Almost surely, 2^{112661560661761} is an apocalyptic number.

It is an amenable number.

112661560661761 is a deficient number, since it is larger than the sum of its proper divisors (231337907391).

112661560661761 is an equidigital number, since it uses as much as digits as its factorization.

112661560661761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231337907390.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 112661560661761 in words is "one hundred twelve trillion, six hundred sixty-one billion, five hundred sixty million, six hundred sixty-one thousand, seven hundred sixty-one".