112535125661 has 4 divisors (see below), whose sum is σ = 128611572192. Its totient is φ = 96458679132.

The previous prime is 112535125643. The next prime is 112535125697. The reversal of 112535125661 is 166521535211.

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 112535125661 - 2¹⁸ = 112534863517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112535125961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8038223255 + ... + 8038223268.

It is an arithmetic number, because the mean of its divisors is an integer number (32152893048).

Almost surely, 2^112535125661 is an apocalyptic number.

It is an amenable number.

112535125661 is a deficient number, since it is larger than the sum of its proper divisors (16076446531).

112535125661 is an equidigital number, since it uses as much as digits as its factorization.

112535125661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076446530.

The product of its digits is 54000, while the sum is 38.

The spelling of 112535125661 in words is "one hundred twelve billion, five hundred thirty-five million, one hundred twenty-five thousand, six hundred sixty-one".