25328889011 has 2 divisors, whose sum is σ = 25328889012. Its totient is φ = 25328889010.

The previous prime is 25328889007. The next prime is 25328889013. The reversal of 25328889011 is 11098882352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25328889011 - 2² = 25328889007 is a prime.

Together with 25328889013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25328889013) 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, 12664444505 + 12664444506.

It is an arithmetic number, because the mean of its divisors is an integer number (12664444506).

Almost surely, 2^25328889011 is an apocalyptic number.

25328889011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25328889011 is an equidigital number, since it uses as much as digits as its factorization.

25328889011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 25328889011 in words is "twenty-five billion, three hundred twenty-eight million, eight hundred eighty-nine thousand, eleven".