25452320111 has 2 divisors, whose sum is σ = 25452320112. Its totient is φ = 25452320110.

The previous prime is 25452320107. The next prime is 25452320161. The reversal of 25452320111 is 11102325452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25452320111 - 2² = 25452320107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25452320161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12726160055 + 12726160056.

It is an arithmetic number, because the mean of its divisors is an integer number (12726160056).

Almost surely, 2^25452320111 is an apocalyptic number.

25452320111 is a deficient number, since it is larger than the sum of its proper divisors (1).

25452320111 is an equidigital number, since it uses as much as digits as its factorization.

25452320111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 25452320111 its reverse (11102325452), we get a palindrome (36554645563).

The spelling of 25452320111 in words is "twenty-five billion, four hundred fifty-two million, three hundred twenty thousand, one hundred eleven".