10911889 has 2 divisors, whose sum is σ = 10911890. Its totient is φ = 10911888.

The previous prime is 10911869. The next prime is 10911893. The reversal of 10911889 is 98811901.

It is a happy number.

10911889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 3211264 = 2775^2 + 1792^2 .

It is an emirp because it is prime and its reverse (98811901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10911889 - 2¹¹ = 10909841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10911829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5455944 + 5455945.

It is an arithmetic number, because the mean of its divisors is an integer number (5455945).

Almost surely, 2^10911889 is an apocalyptic number.

It is an amenable number.

10911889 is a deficient number, since it is larger than the sum of its proper divisors (1).

10911889 is an equidigital number, since it uses as much as digits as its factorization.

10911889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 37.

The square root of 10911889 is about 3303.3148502678. The cubic root of 10911889 is about 221.8026070509.

The spelling of 10911889 in words is "ten million, nine hundred eleven thousand, eight hundred eighty-nine".