112172152161 has 8 divisors (see below), whose sum is σ = 149687406304. Its totient is φ = 74719166400.

The previous prime is 112172152133. The next prime is 112172152171. The reversal of 112172152161 is 161251271211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112172152161 - 2²⁵ = 112138597729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112172152111) 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, 15562891 + ... + 15570096.

It is an arithmetic number, because the mean of its divisors is an integer number (18710925788).

Almost surely, 2^112172152161 is an apocalyptic number.

It is an amenable number.

112172152161 is a deficient number, since it is larger than the sum of its proper divisors (37515254143).

112172152161 is a wasteful number, since it uses less digits than its factorization.

112172152161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31134191.

The product of its digits is 1680, while the sum is 30.

The spelling of 112172152161 in words is "one hundred twelve billion, one hundred seventy-two million, one hundred fifty-two thousand, one hundred sixty-one".