25552805263 has 2 divisors, whose sum is σ = 25552805264. Its totient is φ = 25552805262.

The previous prime is 25552805237. The next prime is 25552805269. The reversal of 25552805263 is 36250825552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25552805263 - 2²⁹ = 25015934351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25552805269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776402631 + 12776402632.

It is an arithmetic number, because the mean of its divisors is an integer number (12776402632).

Almost surely, 2^25552805263 is an apocalyptic number.

25552805263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25552805263 is an equidigital number, since it uses as much as digits as its factorization.

25552805263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 25552805263 in words is "twenty-five billion, five hundred fifty-two million, eight hundred five thousand, two hundred sixty-three".