25112305663 has 2 divisors, whose sum is σ = 25112305664. Its totient is φ = 25112305662.

The previous prime is 25112305639. The next prime is 25112305741. The reversal of 25112305663 is 36650321152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25112305663 - 2⁹ = 25112305151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25112305613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556152831 + 12556152832.

It is an arithmetic number, because the mean of its divisors is an integer number (12556152832).

Almost surely, 2^25112305663 is an apocalyptic number.

25112305663 is a deficient number, since it is larger than the sum of its proper divisors (1).

25112305663 is an equidigital number, since it uses as much as digits as its factorization.

25112305663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 25112305663 in words is "twenty-five billion, one hundred twelve million, three hundred five thousand, six hundred sixty-three".