25757432159 has 2 divisors, whose sum is σ = 25757432160. Its totient is φ = 25757432158.

The previous prime is 25757432131. The next prime is 25757432177. The reversal of 25757432159 is 95123475752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25757432159 - 2¹² = 25757428063 is a prime.

It is a super-2 number, since 2×25757432159² (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 (25757432059) 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, 12878716079 + 12878716080.

It is an arithmetic number, because the mean of its divisors is an integer number (12878716080).

Almost surely, 2^25757432159 is an apocalyptic number.

25757432159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25757432159 is an equidigital number, since it uses as much as digits as its factorization.

25757432159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 50.

The spelling of 25757432159 in words is "twenty-five billion, seven hundred fifty-seven million, four hundred thirty-two thousand, one hundred fifty-nine".