5256906311 has 4 divisors (see below), whose sum is σ = 5566136112. Its totient is φ = 4947676512.

The previous prime is 5256906271. The next prime is 5256906329. The reversal of 5256906311 is 1136096525.

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 5256906311 - 2¹⁸ = 5256644167 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 (5256906371) 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, 154614875 + ... + 154614908.

It is an arithmetic number, because the mean of its divisors is an integer number (1391534028).

Almost surely, 2^5256906311 is an apocalyptic number.

5256906311 is a deficient number, since it is larger than the sum of its proper divisors (309229801).

5256906311 is a wasteful number, since it uses less digits than its factorization.

5256906311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309229800.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 5256906311 is about 72504.5261414762. The cubic root of 5256906311 is about 1738.7751002838.

The spelling of 5256906311 in words is "five billion, two hundred fifty-six million, nine hundred six thousand, three hundred eleven".