112523662161 has 8 divisors (see below), whose sum is σ = 166701721760. Its totient is φ = 75015774756.

The previous prime is 112523662123. The next prime is 112523662187. The reversal of 112523662161 is 161266325211.

112523662161 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 23 + 6 + 621 + 6 + 1 = 666.

It is not a de Polignac number, because 112523662161 - 2²⁵ = 112490107729 is a prime.

It is a super-2 number, since 2×112523662161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112523662661) 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, 2083771495 + ... + 2083771548.

It is an arithmetic number, because the mean of its divisors is an integer number (20837715220).

Almost surely, 2^112523662161 is an apocalyptic number.

It is an amenable number.

112523662161 is a deficient number, since it is larger than the sum of its proper divisors (54178059599).

112523662161 is an equidigital number, since it uses as much as digits as its factorization.

112523662161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167543052 (or 4167543046 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

Adding to 112523662161 its reverse (161266325211), we get a palindrome (273789987372).

The spelling of 112523662161 in words is "one hundred twelve billion, five hundred twenty-three million, six hundred sixty-two thousand, one hundred sixty-one".