2112775605 has 24 divisors (see below), whose sum is σ = 3708506880. Its totient is φ = 1112548320.

The previous prime is 2112775583. The next prime is 2112775619. The reversal of 2112775605 is 5065772112.

2112775605 is a `hidden beast` number, since 21 + 1 + 2 + 77 + 560 + 5 = 666.

It is not a de Polignac number, because 2112775605 - 2⁵ = 2112775573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112775605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293601 + ... + 300710.

It is an arithmetic number, because the mean of its divisors is an integer number (154521120).

Almost surely, 2^2112775605 is an apocalyptic number.

It is an amenable number.

2112775605 is a deficient number, since it is larger than the sum of its proper divisors (1595731275).

2112775605 is a wasteful number, since it uses less digits than its factorization.

2112775605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594401 (or 594398 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 2112775605 is about 45964.9388664882. The cubic root of 2112775605 is about 1283.1707695735.

The spelling of 2112775605 in words is "two billion, one hundred twelve million, seven hundred seventy-five thousand, six hundred five".