112540040561 has 16 divisors (see below), whose sum is σ = 121502465280. Its totient is φ = 103621593600.

The previous prime is 112540040539. The next prime is 112540040597. The reversal of 112540040561 is 165040045211.

It is a cyclic number.

It is not a de Polignac number, because 112540040561 - 2³⁰ = 111466298737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112540040861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9189080 + ... + 9201318.

It is an arithmetic number, because the mean of its divisors is an integer number (7593904080).

Almost surely, 2^112540040561 is an apocalyptic number.

It is an amenable number.

112540040561 is a deficient number, since it is larger than the sum of its proper divisors (8962424719).

112540040561 is a wasteful number, since it uses less digits than its factorization.

112540040561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13976.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 112540040561 its reverse (165040045211), we get a palindrome (277580085772).

The spelling of 112540040561 in words is "one hundred twelve billion, five hundred forty million, forty thousand, five hundred sixty-one".