26056520570601 has 12 divisors (see below), whose sum is σ = 39851149108212. Its totient is φ = 16349189377536.

The previous prime is 26056520570581. The next prime is 26056520570609. The reversal of 26056520570601 is 10607502565062.

26056520570601 is a `hidden beast` number, since 2 + 6 + 0 + 56 + 5 + 20 + 570 + 6 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22541120567001 + 3515400003600 = 4747749^2 + 1874940^2 .

It is not a de Polignac number, because 26056520570601 - 2²¹ = 26056518473449 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26056520570609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85152027856 + ... + 85152028161.

It is an arithmetic number, because the mean of its divisors is an integer number (3320929092351).

Almost surely, 2^{26056520570601} is an apocalyptic number.

It is an amenable number.

26056520570601 is a deficient number, since it is larger than the sum of its proper divisors (13794628537611).

26056520570601 is a wasteful number, since it uses less digits than its factorization.

26056520570601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170304056040 (or 170304056037 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 26056520570601 in words is "twenty-six trillion, fifty-six billion, five hundred twenty million, five hundred seventy thousand, six hundred one".