25063145663 has 2 divisors, whose sum is σ = 25063145664. Its totient is φ = 25063145662.

The previous prime is 25063145641. The next prime is 25063145669. The reversal of 25063145663 is 36654136052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25063145663 - 2³⁰ = 23989403839 is a prime.

It is a super-2 number, since 2×25063145663² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25063145663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25063145669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12531572831 + 12531572832.

It is an arithmetic number, because the mean of its divisors is an integer number (12531572832).

Almost surely, 2^25063145663 is an apocalyptic number.

25063145663 is a deficient number, since it is larger than the sum of its proper divisors (1).

25063145663 is an equidigital number, since it uses as much as digits as its factorization.

25063145663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 25063145663 in words is "twenty-five billion, sixty-three million, one hundred forty-five thousand, six hundred sixty-three".