2656056311 has 4 divisors (see below), whose sum is σ = 2660266224. Its totient is φ = 2651846400.

The previous prime is 2656056259. The next prime is 2656056313. The reversal of 2656056311 is 1136506562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656056311 - 2²² = 2651862007 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 (2656056313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104010 + ... + 2105271.

It is an arithmetic number, because the mean of its divisors is an integer number (665066556).

Almost surely, 2^2656056311 is an apocalyptic number.

2656056311 is a deficient number, since it is larger than the sum of its proper divisors (4209913).

2656056311 is an equidigital number, since it uses as much as digits as its factorization.

2656056311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209912.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2656056311 is about 51536.9412266580. The cubic root of 2656056311 is about 1384.8809015392.

The spelling of 2656056311 in words is "two billion, six hundred fifty-six million, fifty-six thousand, three hundred eleven".