12560425076761 has 9 divisors (see below), whose sum is σ = 12703458174493. Its totient is φ = 12418984827040.

The previous prime is 12560425076753. The next prime is 12560425076891. The reversal of 12560425076761 is 16767052406521.

The square root of 12560425076761 is 3544069.

It is a perfect power (a square), and thus also a powerful number.

12560425076761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 350013041161 + 12210412035600 = 591619^2 + 3494340^2 .

It is not a de Polignac number, because 12560425076761 - 2³ = 12560425076753 is a prime.

It is a super-2 number, since 2×12560425076761² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12560425076699 and 12560425076708.

It is not an unprimeable number, because it can be changed into a prime (12566425076761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 315402231 + ... + 315442051.

Almost surely, 2^{12560425076761} is an apocalyptic number.

12560425076761 is the 3544069-th square number.

12560425076761 is the 1772035-th centered octagonal number.

It is an amenable number.

12560425076761 is a deficient number, since it is larger than the sum of its proper divisors (143033097732).

12560425076761 is an frugal number, since it uses more digits than its factorization.

12560425076761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79820 (or 39910 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 12560425076761 in words is "twelve trillion, five hundred sixty billion, four hundred twenty-five million, seventy-six thousand, seven hundred sixty-one".