25111224253 has 2 divisors, whose sum is σ = 25111224254. Its totient is φ = 25111224252.

The previous prime is 25111224247. The next prime is 25111224287. The reversal of 25111224253 is 35242211152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19929815929 + 5181408324 = 141173^2 + 71982^2 .

It is a cyclic number.

It is not a de Polignac number, because 25111224253 - 2²⁹ = 24574353341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25111224553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555612126 + 12555612127.

It is an arithmetic number, because the mean of its divisors is an integer number (12555612127).

Almost surely, 2^25111224253 is an apocalyptic number.

It is an amenable number.

25111224253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25111224253 is an equidigital number, since it uses as much as digits as its factorization.

25111224253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The spelling of 25111224253 in words is "twenty-five billion, one hundred eleven million, two hundred twenty-four thousand, two hundred fifty-three".