112540111761 has 64 divisors (see below), whose sum is σ = 197648916480. Its totient is φ = 55245308160.

The previous prime is 112540111757. The next prime is 112540111777. The reversal of 112540111761 is 167111045211.

It is not a de Polignac number, because 112540111761 - 2² = 112540111757 is a prime.

It is a super-2 number, since 2×112540111761² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112540111711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136135 + ... + 493571.

It is an arithmetic number, because the mean of its divisors is an integer number (3088264320).

Almost surely, 2^112540111761 is an apocalyptic number.

112540111761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112540111761 is a deficient number, since it is larger than the sum of its proper divisors (85108804719).

112540111761 is a wasteful number, since it uses less digits than its factorization.

112540111761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357534.

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

Adding to 112540111761 its reverse (167111045211), we get a palindrome (279651156972).

The spelling of 112540111761 in words is "one hundred twelve billion, five hundred forty million, one hundred eleven thousand, seven hundred sixty-one".