25350221159 has 2 divisors, whose sum is σ = 25350221160. Its totient is φ = 25350221158.

The previous prime is 25350221131. The next prime is 25350221179. The reversal of 25350221159 is 95112205352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25350221159 is a prime.

It is a super-2 number, since 2×25350221159² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25350221179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12675110579 + 12675110580.

It is an arithmetic number, because the mean of its divisors is an integer number (12675110580).

Almost surely, 2^25350221159 is an apocalyptic number.

25350221159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25350221159 is an equidigital number, since it uses as much as digits as its factorization.

25350221159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 25350221159 in words is "twenty-five billion, three hundred fifty million, two hundred twenty-one thousand, one hundred fifty-nine".