10818881 has 2 divisors, whose sum is σ = 10818882. Its totient is φ = 10818880.

The previous prime is 10818859. The next prime is 10818917. The reversal of 10818881 is 18881801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 34225 = 3284^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 10818881 - 2¹⁸ = 10556737 is a prime.

It is a super-2 number, since 2×10818881² = 234096372184322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10818481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5409440 + 5409441.

It is an arithmetic number, because the mean of its divisors is an integer number (5409441).

Almost surely, 2^10818881 is an apocalyptic number.

It is an amenable number.

10818881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10818881 is an equidigital number, since it uses as much as digits as its factorization.

10818881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 35.

The square root of 10818881 is about 3289.2067432741. The cubic root of 10818881 is about 221.1706264059.

The spelling of 10818881 in words is "ten million, eight hundred eighteen thousand, eight hundred eighty-one".