25225152699889 has 2 divisors, whose sum is σ = 25225152699890. Its totient is φ = 25225152699888.

The previous prime is 25225152699833. The next prime is 25225152699919. The reversal of 25225152699889 is 98899625152252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23531424846400 + 1693727853489 = 4850920^2 + 1301433^2 .

It is a cyclic number.

It is not a de Polignac number, because 25225152699889 - 2⁹ = 25225152699377 is a prime.

It is a super-2 number, since 2×25225152699889² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25225152690889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12612576349944 + 12612576349945.

It is an arithmetic number, because the mean of its divisors is an integer number (12612576349945).

Almost surely, 2^{25225152699889} is an apocalyptic number.

It is an amenable number.

25225152699889 is a deficient number, since it is larger than the sum of its proper divisors (1).

25225152699889 is an equidigital number, since it uses as much as digits as its factorization.

25225152699889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872000, while the sum is 73.

The spelling of 25225152699889 in words is "twenty-five trillion, two hundred twenty-five billion, one hundred fifty-two million, six hundred ninety-nine thousand, eight hundred eighty-nine".