25590260207 has 6 divisors (see below), whose sum is σ = 26751255552. Its totient is φ = 24477639692.

The previous prime is 25590260203. The next prime is 25590260209. The reversal of 25590260207 is 70206209552.

It is not a de Polignac number, because 25590260207 - 2² = 25590260203 is a prime.

It is a super-2 number, since 2×25590260207² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25590260203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24186863 + ... + 24187920.

It is an arithmetic number, because the mean of its divisors is an integer number (4458542592).

Almost surely, 2^25590260207 is an apocalyptic number.

25590260207 is a deficient number, since it is larger than the sum of its proper divisors (1160995345).

25590260207 is an equidigital number, since it uses as much as digits as its factorization.

25590260207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48374829 (or 48374806 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 25590260207 its reverse (70206209552), we get a palindrome (95796469759).

The spelling of 25590260207 in words is "twenty-five billion, five hundred ninety million, two hundred sixty thousand, two hundred seven".