25115322301 has 2 divisors, whose sum is σ = 25115322302. Its totient is φ = 25115322300.

The previous prime is 25115322299. The next prime is 25115322361. The reversal of 25115322301 is 10322351152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22985592100 + 2129730201 = 151610^2 + 46149^2 .

It is a cyclic number.

It is not a de Polignac number, because 25115322301 - 2¹ = 25115322299 is a prime.

Together with 25115322299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25115322361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557661150 + 12557661151.

It is an arithmetic number, because the mean of its divisors is an integer number (12557661151).

Almost surely, 2^25115322301 is an apocalyptic number.

It is an amenable number.

25115322301 is a deficient number, since it is larger than the sum of its proper divisors (1).

25115322301 is an equidigital number, since it uses as much as digits as its factorization.

25115322301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 25115322301 its reverse (10322351152), we get a palindrome (35437673453).

The spelling of 25115322301 in words is "twenty-five billion, one hundred fifteen million, three hundred twenty-two thousand, three hundred one".