2256060225561 has 16 divisors (see below), whose sum is σ = 3186773466624. Its totient is φ = 1414790637824.

The previous prime is 2256060225541. The next prime is 2256060225607. The reversal of 2256060225561 is 1655220606522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256060225561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2256060225541) 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, 12039906 + ... + 12225851.

It is an arithmetic number, because the mean of its divisors is an integer number (199173341664).

Almost surely, 2^{2256060225561} is an apocalyptic number.

It is an amenable number.

2256060225561 is a deficient number, since it is larger than the sum of its proper divisors (930713241063).

2256060225561 is a wasteful number, since it uses less digits than its factorization.

2256060225561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24267600.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 2256060225561 in words is "two trillion, two hundred fifty-six billion, sixty million, two hundred twenty-five thousand, five hundred sixty-one".