5256644211 has 24 divisors (see below), whose sum is σ = 9345146720. Its totient is φ = 2772734976.

The previous prime is 5256644209. The next prime is 5256644233. The reversal of 5256644211 is 1124466525.

5256644211 is a `hidden beast` number, since 5 + 2 + 5 + 6 + 644 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 5256644211 - 2¹ = 5256644209 is a prime.

It is a super-2 number, since 2×5256644211² = 55264616722079625042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5256644711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3208366 + ... + 3210003.

Almost surely, 2^5256644211 is an apocalyptic number.

5256644211 is a deficient number, since it is larger than the sum of its proper divisors (4088502509).

5256644211 is a wasteful number, since it uses less digits than its factorization.

5256644211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418395 (or 6418392 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 5256644211 is about 72502.7186455791. The cubic root of 5256644211 is about 1738.7462023921.

The spelling of 5256644211 in words is "five billion, two hundred fifty-six million, six hundred forty-four thousand, two hundred eleven".