25115120311 has 2 divisors, whose sum is σ = 25115120312. Its totient is φ = 25115120310.

The previous prime is 25115120297. The next prime is 25115120333. The reversal of 25115120311 is 11302151152.

It is an a-pointer prime, because the next prime (25115120333) can be obtained adding 25115120311 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25115120311 - 2⁵ = 25115120279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25115130311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557560155 + 12557560156.

It is an arithmetic number, because the mean of its divisors is an integer number (12557560156).

Almost surely, 2^25115120311 is an apocalyptic number.

25115120311 is a deficient number, since it is larger than the sum of its proper divisors (1).

25115120311 is an equidigital number, since it uses as much as digits as its factorization.

25115120311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 25115120311 its reverse (11302151152), we get a palindrome (36417271463).

The spelling of 25115120311 in words is "twenty-five billion, one hundred fifteen million, one hundred twenty thousand, three hundred eleven".