28257614113 has 2 divisors, whose sum is σ = 28257614114. Its totient is φ = 28257614112.

The previous prime is 28257614111. The next prime is 28257614153. The reversal of 28257614113 is 31141675282.

It is an a-pointer prime, because the next prime (28257614153) can be obtained adding 28257614113 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27513852129 + 743761984 = 165873^2 + 27272^2 .

It is a cyclic number.

It is not a de Polignac number, because 28257614113 - 2¹ = 28257614111 is a prime.

Together with 28257614111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28257614111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14128807056 + 14128807057.

It is an arithmetic number, because the mean of its divisors is an integer number (14128807057).

Almost surely, 2^28257614113 is an apocalyptic number.

It is an amenable number.

28257614113 is a deficient number, since it is larger than the sum of its proper divisors (1).

28257614113 is an equidigital number, since it uses as much as digits as its factorization.

28257614113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The spelling of 28257614113 in words is "twenty-eight billion, two hundred fifty-seven million, six hundred fourteen thousand, one hundred thirteen".