10281110509 has 2 divisors, whose sum is σ = 10281110510. Its totient is φ = 10281110508.

The previous prime is 10281110503. The next prime is 10281110533. The reversal of 10281110509 is 90501118201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5838488100 + 4442622409 = 76410^2 + 66653^2 .

It is a cyclic number.

It is not a de Polignac number, because 10281110509 - 2¹⁷ = 10280979437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10281110503) 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, 5140555254 + 5140555255.

It is an arithmetic number, because the mean of its divisors is an integer number (5140555255).

Almost surely, 2^10281110509 is an apocalyptic number.

It is an amenable number.

10281110509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10281110509 is an equidigital number, since it uses as much as digits as its factorization.

10281110509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 10281110509 in words is "ten billion, two hundred eighty-one million, one hundred ten thousand, five hundred nine".