2566236255 has 16 divisors (see below), whose sum is σ = 4479249024. Its totient is φ = 1244235680.

The previous prime is 2566236229. The next prime is 2566236263. The reversal of 2566236255 is 5526326652.

It is not a de Polignac number, because 2566236255 - 2⁶ = 2566236191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7776309 + ... + 7776638.

It is an arithmetic number, because the mean of its divisors is an integer number (279953064).

Almost surely, 2^2566236255 is an apocalyptic number.

2566236255 is a deficient number, since it is larger than the sum of its proper divisors (1913012769).

2566236255 is a wasteful number, since it uses less digits than its factorization.

2566236255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15552966.

The product of its digits is 648000, while the sum is 42.

The square root of 2566236255 is about 50658.0324825195. The cubic root of 2566236255 is about 1369.0906738593.

The spelling of 2566236255 in words is "two billion, five hundred sixty-six million, two hundred thirty-six thousand, two hundred fifty-five".