25598856007 has 2 divisors, whose sum is σ = 25598856008. Its totient is φ = 25598856006.

The previous prime is 25598855993. The next prime is 25598856011. The reversal of 25598856007 is 70065889552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25598856007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25598856407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12799428003 + 12799428004.

It is an arithmetic number, because the mean of its divisors is an integer number (12799428004).

Almost surely, 2^25598856007 is an apocalyptic number.

25598856007 is a deficient number, since it is larger than the sum of its proper divisors (1).

25598856007 is an equidigital number, since it uses as much as digits as its factorization.

25598856007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 25598856007 in words is "twenty-five billion, five hundred ninety-eight million, eight hundred fifty-six thousand, seven".