2056236311 has 4 divisors (see below), whose sum is σ = 2060736192. Its totient is φ = 2051736432.

The previous prime is 2056236289. The next prime is 2056236349. The reversal of 2056236311 is 1136326502.

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 2056236311 - 2²⁶ = 1989127447 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 (2056236811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249255 + ... + 2250168.

It is an arithmetic number, because the mean of its divisors is an integer number (515184048).

Almost surely, 2^2056236311 is an apocalyptic number.

2056236311 is a deficient number, since it is larger than the sum of its proper divisors (4499881).

2056236311 is an equidigital number, since it uses as much as digits as its factorization.

2056236311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499880.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2056236311 is about 45345.7419279914. The cubic root of 2056236311 is about 1271.6209510887.

The spelling of 2056236311 in words is "two billion, fifty-six million, two hundred thirty-six thousand, three hundred eleven".