2566485475507 has 8 divisors (see below), whose sum is σ = 2651086081296. Its totient is φ = 2482686771552.

The previous prime is 2566485475487. The next prime is 2566485475591. The reversal of 2566485475507 is 7055745846652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2566485475507 - 2²⁷ = 2566351257779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566485475597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200468953 + ... + 200481754.

It is an arithmetic number, because the mean of its divisors is an integer number (331385760162).

Almost surely, 2^{2566485475507} is an apocalyptic number.

2566485475507 is a deficient number, since it is larger than the sum of its proper divisors (84600605789).

2566485475507 is a wasteful number, since it uses less digits than its factorization.

2566485475507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400950917.

The product of its (nonzero) digits is 282240000, while the sum is 64.

The spelling of 2566485475507 in words is "two trillion, five hundred sixty-six billion, four hundred eighty-five million, four hundred seventy-five thousand, five hundred seven".