28560033128537 has 2 divisors, whose sum is σ = 28560033128538. Its totient is φ = 28560033128536.

The previous prime is 28560033128531. The next prime is 28560033128587. The reversal of 28560033128537 is 73582133006582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24906846936976 + 3653186191561 = 4990676^2 + 1911331^2 .

It is a cyclic number.

It is not a de Polignac number, because 28560033128537 - 2⁸ = 28560033128281 is a prime.

It is not a weakly prime, because it can be changed into another prime (28560033128531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14280016564268 + 14280016564269.

It is an arithmetic number, because the mean of its divisors is an integer number (14280016564269).

Almost surely, 2^{28560033128537} is an apocalyptic number.

It is an amenable number.

28560033128537 is a deficient number, since it is larger than the sum of its proper divisors (1).

28560033128537 is an equidigital number, since it uses as much as digits as its factorization.

28560033128537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 28560033128537 in words is "twenty-eight trillion, five hundred sixty billion, thirty-three million, one hundred twenty-eight thousand, five hundred thirty-seven".