25055052769 has 2 divisors, whose sum is σ = 25055052770. Its totient is φ = 25055052768.

The previous prime is 25055052731. The next prime is 25055052787. The reversal of 25055052769 is 96725055052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12975943744 + 12079109025 = 113912^2 + 109905^2 .

It is a cyclic number.

It is not a de Polignac number, because 25055052769 - 2³³ = 16465118177 is a prime.

It is a super-2 number, since 2×25055052769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25055053769) 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, 12527526384 + 12527526385.

It is an arithmetic number, because the mean of its divisors is an integer number (12527526385).

Almost surely, 2^25055052769 is an apocalyptic number.

It is an amenable number.

25055052769 is a deficient number, since it is larger than the sum of its proper divisors (1).

25055052769 is an equidigital number, since it uses as much as digits as its factorization.

25055052769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 25055052769 in words is "twenty-five billion, fifty-five million, fifty-two thousand, seven hundred sixty-nine".