112640205655 has 8 divisors (see below), whose sum is σ = 135170253792. Its totient is φ = 90110826528.

The previous prime is 112640205641. The next prime is 112640205683. The reversal of 112640205655 is 556502046211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112640205655 - 2⁹ = 112640205143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346797 + ... + 587833.

It is an arithmetic number, because the mean of its divisors is an integer number (16896281724).

Almost surely, 2^112640205655 is an apocalyptic number.

112640205655 is a deficient number, since it is larger than the sum of its proper divisors (22530048137).

112640205655 is an equidigital number, since it uses as much as digits as its factorization.

112640205655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334505.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 112640205655 in words is "one hundred twelve billion, six hundred forty million, two hundred five thousand, six hundred fifty-five".