13281827818281 has 64 divisors (see below), whose sum is σ = 20089831458816. Its totient is φ = 7733966054400.

The previous prime is 13281827818267. The next prime is 13281827818289. The reversal of 13281827818281 is 18281872818231.

It is not a de Polignac number, because 13281827818281 - 2⁷ = 13281827818153 is a prime.

It is a super-2 number, since 2×13281827818281² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13281827818289) 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 in 63 ways as a sum of consecutive naturals, for example, 218971900 + ... + 219032546.

It is an arithmetic number, because the mean of its divisors is an integer number (313903616544).

Almost surely, 2^{13281827818281} is an apocalyptic number.

13281827818281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13281827818281 is a deficient number, since it is larger than the sum of its proper divisors (6808003640535).

13281827818281 is a wasteful number, since it uses less digits than its factorization.

13281827818281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62942.

The product of its digits is 5505024, while the sum is 60.

The spelling of 13281827818281 in words is "thirteen trillion, two hundred eighty-one billion, eight hundred twenty-seven million, eight hundred eighteen thousand, two hundred eighty-one".