12825611128655 has 32 divisors (see below), whose sum is σ = 16800422478336. Its totient is φ = 9342554638464.

The previous prime is 12825611128651. The next prime is 12825611128739. The reversal of 12825611128655 is 55682111652821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12825611128655 - 2² = 12825611128651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12825611128597 and 12825611128606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825611128651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1620374 + ... + 5317596.

It is an arithmetic number, because the mean of its divisors is an integer number (525013202448).

Almost surely, 2^{12825611128655} is an apocalyptic number.

12825611128655 is a deficient number, since it is larger than the sum of its proper divisors (3974811349681).

12825611128655 is a wasteful number, since it uses less digits than its factorization.

12825611128655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697967.

The product of its digits is 2304000, while the sum is 53.

The spelling of 12825611128655 in words is "twelve trillion, eight hundred twenty-five billion, six hundred eleven million, one hundred twenty-eight thousand, six hundred fifty-five".