28552502851 has 2 divisors, whose sum is σ = 28552502852. Its totient is φ = 28552502850.

The previous prime is 28552502843. The next prime is 28552502863. The reversal of 28552502851 is 15820525582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28552502851 - 2³ = 28552502843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28552502798 and 28552502807.

It is not a weakly prime, because it can be changed into another prime (28552502051) 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, 14276251425 + 14276251426.

It is an arithmetic number, because the mean of its divisors is an integer number (14276251426).

Almost surely, 2^28552502851 is an apocalyptic number.

28552502851 is a deficient number, since it is larger than the sum of its proper divisors (1).

28552502851 is an equidigital number, since it uses as much as digits as its factorization.

28552502851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320000, while the sum is 43.

The spelling of 28552502851 in words is "twenty-eight billion, five hundred fifty-two million, five hundred two thousand, eight hundred fifty-one".