11130333281 has 2 divisors, whose sum is σ = 11130333282. Its totient is φ = 11130333280.

The previous prime is 11130333233. The next prime is 11130333373. The reversal of 11130333281 is 18233303111.

11130333281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7892723281 + 3237610000 = 88841^2 + 56900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11130333281 is a prime.

It is a super-2 number, since 2×11130333281² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11130333281.

It is not a weakly prime, because it can be changed into another prime (11130338281) 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 as a sum of consecutive naturals, namely, 5565166640 + 5565166641.

It is an arithmetic number, because the mean of its divisors is an integer number (5565166641).

Almost surely, 2^11130333281 is an apocalyptic number.

It is an amenable number.

11130333281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130333281 is an equidigital number, since it uses as much as digits as its factorization.

11130333281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 11130333281 its reverse (18233303111), we get a palindrome (29363636392).

The spelling of 11130333281 in words is "eleven billion, one hundred thirty million, three hundred thirty-three thousand, two hundred eighty-one".