2056265311 has 4 divisors (see below), whose sum is σ = 2177222112. Its totient is φ = 1935308512.

The previous prime is 2056265279. The next prime is 2056265347. The reversal of 2056265311 is 1135626502.

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 2056265311 - 2⁵ = 2056265279 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 (2056265381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60478375 + ... + 60478408.

It is an arithmetic number, because the mean of its divisors is an integer number (544305528).

Almost surely, 2^2056265311 is an apocalyptic number.

2056265311 is a deficient number, since it is larger than the sum of its proper divisors (120956801).

2056265311 is a wasteful number, since it uses less digits than its factorization.

2056265311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120956800.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2056265311 is about 45346.0616922793. The cubic root of 2056265311 is about 1271.6269291361.

The spelling of 2056265311 in words is "two billion, fifty-six million, two hundred sixty-five thousand, three hundred eleven".