2112457855 has 8 divisors (see below), whose sum is σ = 2535264432. Its totient is φ = 1689756288.

The previous prime is 2112457813. The next prime is 2112457873. The reversal of 2112457855 is 5587542112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112457855 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28327 + ... + 70903.

It is an arithmetic number, because the mean of its divisors is an integer number (316908054).

Almost surely, 2^2112457855 is an apocalyptic number.

2112457855 is a deficient number, since it is larger than the sum of its proper divisors (422806577).

2112457855 is an equidigital number, since it uses as much as digits as its factorization.

2112457855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52505.

The product of its digits is 112000, while the sum is 40.

The square root of 2112457855 is about 45961.4822976805. The cubic root of 2112457855 is about 1283.1064390387.

Adding to 2112457855 its reverse (5587542112), we get a palindrome (7699999967).

The spelling of 2112457855 in words is "two billion, one hundred twelve million, four hundred fifty-seven thousand, eight hundred fifty-five".