25313255102 has 24 divisors (see below), whose sum is σ = 40401153336. Its totient is φ = 11892521088.

The previous prime is 25313255089. The next prime is 25313255171. The reversal of 25313255102 is 20155231352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318593 + ... + 390035.

It is an arithmetic number, because the mean of its divisors is an integer number (1683381389).

Almost surely, 2^25313255102 is an apocalyptic number.

25313255102 is a deficient number, since it is larger than the sum of its proper divisors (15087898234).

25313255102 is a wasteful number, since it uses less digits than its factorization.

25313255102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72092 (or 72075 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 25313255102 its reverse (20155231352), we get a palindrome (45468486454).

The spelling of 25313255102 in words is "twenty-five billion, three hundred thirteen million, two hundred fifty-five thousand, one hundred two".