2566452435601 has 16 divisors (see below), whose sum is σ = 2727204638400. Its totient is φ = 2408282394048.

The previous prime is 2566452435581. The next prime is 2566452435623. The reversal of 2566452435601 is 1065342546652.

It is a cyclic number.

It is not a de Polignac number, because 2566452435601 - 2⁷ = 2566452435473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566452435101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6183915 + ... + 6585871.

It is an arithmetic number, because the mean of its divisors is an integer number (170450289900).

Almost surely, 2^{2566452435601} is an apocalyptic number.

It is an amenable number.

2566452435601 is a deficient number, since it is larger than the sum of its proper divisors (160752202799).

2566452435601 is a wasteful number, since it uses less digits than its factorization.

2566452435601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405168.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 2566452435601 in words is "two trillion, five hundred sixty-six billion, four hundred fifty-two million, four hundred thirty-five thousand, six hundred one".