2113635144656 has 40 divisors (see below), whose sum is σ = 4680630985920. Its totient is φ = 905758689024.

The previous prime is 2113635144559. The next prime is 2113635144667. The reversal of 2113635144656 is 6564415363112.

It is a self number, because there is not a number n which added to its sum of digits gives 2113635144656.

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, 322175 + ... + 2081121.

It is an arithmetic number, because the mean of its divisors is an integer number (117015774648).

Almost surely, 2^{2113635144656} is an apocalyptic number.

It is an amenable number.

2113635144656 is an abundant number, since it is smaller than the sum of its proper divisors (2566995841264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113635144656 is a wasteful number, since it uses less digits than its factorization.

2113635144656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769691 (or 1769685 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 2113635144656 in words is "two trillion, one hundred thirteen billion, six hundred thirty-five million, one hundred forty-four thousand, six hundred fifty-six".