2560260030561 has 12 divisors (see below), whose sum is σ = 3699434382592. Its totient is φ = 1706248787256.

The previous prime is 2560260030491. The next prime is 2560260030577. The reversal of 2560260030561 is 1650300620652.

It is a happy number.

2560260030561 is a `hidden beast` number, since 2 + 5 + 6 + 0 + 2 + 60 + 0 + 30 + 561 = 666.

It is not a de Polignac number, because 2560260030561 - 2²⁶ = 2560192921697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560260030761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49242001 + ... + 49293966.

Almost surely, 2^{2560260030561} is an apocalyptic number.

It is an amenable number.

2560260030561 is a deficient number, since it is larger than the sum of its proper divisors (1139174352031).

2560260030561 is a wasteful number, since it uses less digits than its factorization.

2560260030561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98538860 (or 98538857 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 2560260030561 in words is "two trillion, five hundred sixty billion, two hundred sixty million, thirty thousand, five hundred sixty-one".