2564208011 has 4 divisors (see below), whose sum is σ = 2564575224. Its totient is φ = 2563840800.

The previous prime is 2564207981. The next prime is 2564208041. The reversal of 2564208011 is 1108024652.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2564207981) and next prime (2564208041).

It is a cyclic number.

It is not a de Polignac number, because 2564208011 - 2¹⁴ = 2564191627 is a prime.

It is a super-2 number, since 2×2564208011² = 13150325447353152242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564208041) 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, 172925 + ... + 187166.

It is an arithmetic number, because the mean of its divisors is an integer number (641143806).

Almost surely, 2^2564208011 is an apocalyptic number.

2564208011 is a deficient number, since it is larger than the sum of its proper divisors (367213).

2564208011 is an equidigital number, since it uses as much as digits as its factorization.

2564208011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367212.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2564208011 is about 50638.0095481645. The cubic root of 2564208011 is about 1368.7298884447.

The spelling of 2564208011 in words is "two billion, five hundred sixty-four million, two hundred eight thousand, eleven".