25206044063 has 2 divisors, whose sum is σ = 25206044064. Its totient is φ = 25206044062.

The previous prime is 25206044033. The next prime is 25206044077. The reversal of 25206044063 is 36044060252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25206044063 - 2¹⁰ = 25206043039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25206044033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12603022031 + 12603022032.

It is an arithmetic number, because the mean of its divisors is an integer number (12603022032).

Almost surely, 2^25206044063 is an apocalyptic number.

25206044063 is a deficient number, since it is larger than the sum of its proper divisors (1).

25206044063 is an equidigital number, since it uses as much as digits as its factorization.

25206044063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 25206044063 in words is "twenty-five billion, two hundred six million, forty-four thousand, sixty-three".