112115161 has 4 divisors (see below), whose sum is σ = 112161024. Its totient is φ = 112069300.

The previous prime is 112115117. The next prime is 112115231. The reversal of 112115161 is 161511211.

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 not a de Polignac number, because 112115161 - 2²¹ = 110018009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112110161) 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, 19045 + ... + 24226.

It is an arithmetic number, because the mean of its divisors is an integer number (28040256).

Almost surely, 2^112115161 is an apocalyptic number.

It is an amenable number.

112115161 is a deficient number, since it is larger than the sum of its proper divisors (45863).

112115161 is an equidigital number, since it uses as much as digits as its factorization.

112115161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45862.

The product of its digits is 60, while the sum is 19.

The square root of 112115161 is about 10588.4446922105. Note that the first 3 decimals coincide. The cubic root of 112115161 is about 482.1936071912.

Adding to 112115161 its reverse (161511211), we get a palindrome (273626372).

The spelling of 112115161 in words is "one hundred twelve million, one hundred fifteen thousand, one hundred sixty-one".