25025055530287 has 2 divisors, whose sum is σ = 25025055530288. Its totient is φ = 25025055530286.

The previous prime is 25025055530261. The next prime is 25025055530311. The reversal of 25025055530287 is 78203555052052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25025055530287 - 2³¹ = 25022908046639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25025055530287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025055530207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512527765143 + 12512527765144.

It is an arithmetic number, because the mean of its divisors is an integer number (12512527765144).

Almost surely, 2^{25025055530287} is an apocalyptic number.

25025055530287 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025055530287 is an equidigital number, since it uses as much as digits as its factorization.

25025055530287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200000, while the sum is 49.

The spelling of 25025055530287 in words is "twenty-five trillion, twenty-five billion, fifty-five million, five hundred thirty thousand, two hundred eighty-seven".