28059551851 has 2 divisors, whose sum is σ = 28059551852. Its totient is φ = 28059551850.

The previous prime is 28059551843. The next prime is 28059551857. The reversal of 28059551851 is 15815595082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28059551851 - 2³ = 28059551843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28059551795 and 28059551804.

It is not a weakly prime, because it can be changed into another prime (28059551857) 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, 14029775925 + 14029775926.

It is an arithmetic number, because the mean of its divisors is an integer number (14029775926).

Almost surely, 2^28059551851 is an apocalyptic number.

28059551851 is a deficient number, since it is larger than the sum of its proper divisors (1).

28059551851 is an equidigital number, since it uses as much as digits as its factorization.

28059551851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 49.

The spelling of 28059551851 in words is "twenty-eight billion, fifty-nine million, five hundred fifty-one thousand, eight hundred fifty-one".