11039440889 has 2 divisors, whose sum is σ = 11039440890. Its totient is φ = 11039440888.

The previous prime is 11039440883. The next prime is 11039440897. The reversal of 11039440889 is 98804493011.

11039440889 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., 9699295225 + 1340145664 = 98485^2 + 36608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11039440889 is a prime.

It is a super-2 number, since 2×11039440889² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11039440883) 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, 5519720444 + 5519720445.

It is an arithmetic number, because the mean of its divisors is an integer number (5519720445).

Almost surely, 2^11039440889 is an apocalyptic number.

It is an amenable number.

11039440889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11039440889 is an equidigital number, since it uses as much as digits as its factorization.

11039440889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 11039440889 in words is "eleven billion, thirty-nine million, four hundred forty thousand, eight hundred eighty-nine".