112196861765 has 4 divisors (see below), whose sum is σ = 134636234124. Its totient is φ = 89757489408.

The previous prime is 112196861761. The next prime is 112196861857. The reversal of 112196861765 is 567168691211.

It is a Cunningham number, because it is equal to 334958²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 567168691211 = 313 ⋅1812040547.

It can be written as a sum of positive squares in 2 ways, for example, as 40390548676 + 71806313089 = 200974^2 + 267967^2 .

It is a cyclic number.

It is not a de Polignac number, because 112196861765 - 2² = 112196861761 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 (112196861761) 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, 11219686172 + ... + 11219686181.

It is an arithmetic number, because the mean of its divisors is an integer number (33659058531).

Almost surely, 2^112196861765 is an apocalyptic number.

It is an amenable number.

112196861765 is a deficient number, since it is larger than the sum of its proper divisors (22439372359).

112196861765 is an equidigital number, since it uses as much as digits as its factorization.

112196861765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22439372358.

The product of its digits is 1088640, while the sum is 53.

The spelling of 112196861765 in words is "one hundred twelve billion, one hundred ninety-six million, eight hundred sixty-one thousand, seven hundred sixty-five".