5256441811 has 4 divisors (see below), whose sum is σ = 5257831432. Its totient is φ = 5255052192.

The previous prime is 5256441787. The next prime is 5256441821. The reversal of 5256441811 is 1181446525.

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 5256441811 - 2²³ = 5248053203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5256441821) 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, 689121 + ... + 696706.

It is an arithmetic number, because the mean of its divisors is an integer number (1314457858).

Almost surely, 2^5256441811 is an apocalyptic number.

5256441811 is a deficient number, since it is larger than the sum of its proper divisors (1389621).

5256441811 is a wasteful number, since it uses less digits than its factorization.

5256441811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389620.

The product of its digits is 38400, while the sum is 37.

The square root of 5256441811 is about 72501.3228224148. The cubic root of 5256441811 is about 1738.7238860794.

The spelling of 5256441811 in words is "five billion, two hundred fifty-six million, four hundred forty-one thousand, eight hundred eleven".