2566733824825 has 24 divisors (see below), whose sum is σ = 3362553175680. Its totient is φ = 1940398017600.

The previous prime is 2566733824819. The next prime is 2566733824843. The reversal of 2566733824825 is 5284283376652.

It is not a de Polignac number, because 2566733824825 - 2⁹ = 2566733824313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37628931 + ... + 37697080.

It is an arithmetic number, because the mean of its divisors is an integer number (140106382320).

Almost surely, 2^{2566733824825} is an apocalyptic number.

2566733824825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2566733824825 is a deficient number, since it is larger than the sum of its proper divisors (795819350855).

2566733824825 is a wasteful number, since it uses less digits than its factorization.

2566733824825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75326097 (or 75326092 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 61.

The spelling of 2566733824825 in words is "two trillion, five hundred sixty-six billion, seven hundred thirty-three million, eight hundred twenty-four thousand, eight hundred twenty-five".