25112532163 has 2 divisors, whose sum is σ = 25112532164. Its totient is φ = 25112532162.

The previous prime is 25112532157. The next prime is 25112532191. The reversal of 25112532163 is 36123521152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25112532163 - 2⁹ = 25112531651 is a prime.

It is not a weakly prime, because it can be changed into another prime (25112532113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556266081 + 12556266082.

It is an arithmetic number, because the mean of its divisors is an integer number (12556266082).

Almost surely, 2^25112532163 is an apocalyptic number.

25112532163 is a deficient number, since it is larger than the sum of its proper divisors (1).

25112532163 is an equidigital number, since it uses as much as digits as its factorization.

25112532163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The spelling of 25112532163 in words is "twenty-five billion, one hundred twelve million, five hundred thirty-two thousand, one hundred sixty-three".