112165217843 has 32 divisors (see below), whose sum is σ = 132497614848. Its totient is φ = 92969078400.

The previous prime is 112165217831. The next prime is 112165217867. The reversal of 112165217843 is 348712561211.

It is a cyclic number.

It is not a de Polignac number, because 112165217843 - 2²⁰ = 112164169267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112165217843.

It is not an unprimeable number, because it can be changed into a prime (112165217803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15473846 + ... + 15481092.

It is an arithmetic number, because the mean of its divisors is an integer number (4140550464).

Almost surely, 2^112165217843 is an apocalyptic number.

112165217843 is a deficient number, since it is larger than the sum of its proper divisors (20332397005).

112165217843 is an equidigital number, since it uses as much as digits as its factorization.

112165217843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7923.

The product of its digits is 80640, while the sum is 41.

The spelling of 112165217843 in words is "one hundred twelve billion, one hundred sixty-five million, two hundred seventeen thousand, eight hundred forty-three".