112137247161 has 9 divisors (see below), whose sum is σ = 161977474789. Its totient is φ = 74757495036.

The previous prime is 112137247153. The next prime is 112137247199. The reversal of 112137247161 is 161742731211.

The square root of 112137247161 is 334869.

It is a perfect power (a square), and thus also a powerful number.

112137247161 is a `hidden beast` number, since 1 + 121 + 3 + 7 + 2 + 471 + 61 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 112137247161 - 2³ = 112137247153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112137247121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 948796 + ... + 1060418.

Almost surely, 2^112137247161 is an apocalyptic number.

112137247161 is the 334869-th square number.

112137247161 is the 167435-th centered octagonal number.

It is an amenable number.

112137247161 is a deficient number, since it is larger than the sum of its proper divisors (49840227628).

112137247161 is an frugal number, since it uses more digits than its factorization.

112137247161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223252 (or 111626 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

Multiplying 112137247161 by its sum of digits (36), we get a square (4036940897796 = 2009214²).

Adding to 112137247161 its reverse (161742731211), we get a palindrome (273879978372).

The spelling of 112137247161 in words is "one hundred twelve billion, one hundred thirty-seven million, two hundred forty-seven thousand, one hundred sixty-one".