10803681281 has 4 divisors (see below), whose sum is σ = 10804266564. Its totient is φ = 10803096000.

The previous prime is 10803681277. The next prime is 10803681283. The reversal of 10803681281 is 18218630801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4707194881 + 6096486400 = 68609^2 + 78080^2 .

It is a cyclic number.

It is not a de Polignac number, because 10803681281 - 2² = 10803681277 is a prime.

It is a super-2 number, since 2×10803681281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10803681283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264020 + ... + 302181.

It is an arithmetic number, because the mean of its divisors is an integer number (2701066641).

Almost surely, 2^10803681281 is an apocalyptic number.

It is an amenable number.

10803681281 is a deficient number, since it is larger than the sum of its proper divisors (585283).

10803681281 is an equidigital number, since it uses as much as digits as its factorization.

10803681281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585282.

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 10803681281 in words is "ten billion, eight hundred three million, six hundred eighty-one thousand, two hundred eighty-one".