28110611513 has 2 divisors, whose sum is σ = 28110611514. Its totient is φ = 28110611512.

The previous prime is 28110611497. The next prime is 28110611519. The reversal of 28110611513 is 31511601182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26616943609 + 1493667904 = 163147^2 + 38648^2 .

It is a cyclic number.

It is not a de Polignac number, because 28110611513 - 2⁴ = 28110611497 is a prime.

It is not a weakly prime, because it can be changed into another prime (28110611519) 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, 14055305756 + 14055305757.

It is an arithmetic number, because the mean of its divisors is an integer number (14055305757).

Almost surely, 2^28110611513 is an apocalyptic number.

It is an amenable number.

28110611513 is a deficient number, since it is larger than the sum of its proper divisors (1).

28110611513 is an equidigital number, since it uses as much as digits as its factorization.

28110611513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 28110611513 in words is "twenty-eight billion, one hundred ten million, six hundred eleven thousand, five hundred thirteen".