25255527799 has 2 divisors, whose sum is σ = 25255527800. Its totient is φ = 25255527798.

The previous prime is 25255527769. The next prime is 25255527877. The reversal of 25255527799 is 99772555252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25255527799 - 2⁵ = 25255527767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25255527749) 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, 12627763899 + 12627763900.

It is an arithmetic number, because the mean of its divisors is an integer number (12627763900).

Almost surely, 2^25255527799 is an apocalyptic number.

25255527799 is a deficient number, since it is larger than the sum of its proper divisors (1).

25255527799 is an equidigital number, since it uses as much as digits as its factorization.

25255527799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19845000, while the sum is 58.

The spelling of 25255527799 in words is "twenty-five billion, two hundred fifty-five million, five hundred twenty-seven thousand, seven hundred ninety-nine".