25885328107 has 2 divisors, whose sum is σ = 25885328108. Its totient is φ = 25885328106.

The previous prime is 25885328089. The next prime is 25885328111. The reversal of 25885328107 is 70182358852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25885328107 - 2²³ = 25876939499 is a prime.

It is a super-2 number, since 2×25885328107² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25885368107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12942664053 + 12942664054.

It is an arithmetic number, because the mean of its divisors is an integer number (12942664054).

Almost surely, 2^25885328107 is an apocalyptic number.

25885328107 is a deficient number, since it is larger than the sum of its proper divisors (1).

25885328107 is an equidigital number, since it uses as much as digits as its factorization.

25885328107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 25885328107 in words is "twenty-five billion, eight hundred eighty-five million, three hundred twenty-eight thousand, one hundred seven".