25512868903 has 2 divisors, whose sum is σ = 25512868904. Its totient is φ = 25512868902.

The previous prime is 25512868867. The next prime is 25512868939. The reversal of 25512868903 is 30986821552.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (25512868867) and next prime (25512868939).

It is a cyclic number.

It is not a de Polignac number, because 25512868903 - 2⁹ = 25512868391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25512868943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12756434451 + 12756434452.

It is an arithmetic number, because the mean of its divisors is an integer number (12756434452).

Almost surely, 2^25512868903 is an apocalyptic number.

25512868903 is a deficient number, since it is larger than the sum of its proper divisors (1).

25512868903 is an equidigital number, since it uses as much as digits as its factorization.

25512868903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 25512868903 in words is "twenty-five billion, five hundred twelve million, eight hundred sixty-eight thousand, nine hundred three".