25878293683201 has 2 divisors, whose sum is σ = 25878293683202. Its totient is φ = 25878293683200.

The previous prime is 25878293683189. The next prime is 25878293683211. The reversal of 25878293683201 is 10238639287852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21957180850801 + 3921112832400 = 4685849^2 + 1980180^2 .

It is a cyclic number.

It is not a de Polignac number, because 25878293683201 - 2²³ = 25878285294593 is a prime.

It is not a weakly prime, because it can be changed into another prime (25878293683211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12939146841600 + 12939146841601.

It is an arithmetic number, because the mean of its divisors is an integer number (12939146841601).

Almost surely, 2^{25878293683201} is an apocalyptic number.

It is an amenable number.

25878293683201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25878293683201 is an equidigital number, since it uses as much as digits as its factorization.

25878293683201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 25878293683201 in words is "twenty-five trillion, eight hundred seventy-eight billion, two hundred ninety-three million, six hundred eighty-three thousand, two hundred one".