28228011420253 has 2 divisors, whose sum is σ = 28228011420254. Its totient is φ = 28228011420252.

The previous prime is 28228011420247. The next prime is 28228011420269. The reversal of 28228011420253 is 35202411082282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24772141574244 + 3455869846009 = 4977162^2 + 1858997^2 .

It is a cyclic number.

It is not a de Polignac number, because 28228011420253 - 2⁴¹ = 26028988164701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28228011420353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14114005710126 + 14114005710127.

It is an arithmetic number, because the mean of its divisors is an integer number (14114005710127).

Almost surely, 2^{28228011420253} is an apocalyptic number.

It is an amenable number.

28228011420253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28228011420253 is an equidigital number, since it uses as much as digits as its factorization.

28228011420253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 28228011420253 in words is "twenty-eight trillion, two hundred twenty-eight billion, eleven million, four hundred twenty thousand, two hundred fifty-three".