28056106751 has 2 divisors, whose sum is σ = 28056106752. Its totient is φ = 28056106750.

The previous prime is 28056106703. The next prime is 28056106759. The reversal of 28056106751 is 15760165082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28056106751 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 28056106699 and 28056106708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28056106759) 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, 14028053375 + 14028053376.

It is an arithmetic number, because the mean of its divisors is an integer number (14028053376).

Almost surely, 2^28056106751 is an apocalyptic number.

28056106751 is a deficient number, since it is larger than the sum of its proper divisors (1).

28056106751 is an equidigital number, since it uses as much as digits as its factorization.

28056106751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 28056106751 in words is "twenty-eight billion, fifty-six million, one hundred six thousand, seven hundred fifty-one".