25448825359987 has 2 divisors, whose sum is σ = 25448825359988. Its totient is φ = 25448825359986.

The previous prime is 25448825359963. The next prime is 25448825360089. The reversal of 25448825359987 is 78995352884452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25448825359987 is a prime.

It is not a weakly prime, because it can be changed into another prime (25448825359927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12724412679993 + 12724412679994.

It is an arithmetic number, because the mean of its divisors is an integer number (12724412679994).

Almost surely, 2^{25448825359987} is an apocalyptic number.

25448825359987 is a deficient number, since it is larger than the sum of its proper divisors (1).

25448825359987 is an equidigital number, since it uses as much as digits as its factorization.

25448825359987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296000, while the sum is 79.

The spelling of 25448825359987 in words is "twenty-five trillion, four hundred forty-eight billion, eight hundred twenty-five million, three hundred fifty-nine thousand, nine hundred eighty-seven".