11103889 has 2 divisors, whose sum is σ = 11103890. Its totient is φ = 11103888.

The previous prime is 11103877. The next prime is 11103899. The reversal of 11103889 is 98830111.

11103889 is digitally balanced in base 2, 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., 7935489 + 3168400 = 2817^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103889 - 2⁹ = 11103377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11103889.

It is not a weakly prime, because it can be changed into another prime (11103899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551944 + 5551945.

It is an arithmetic number, because the mean of its divisors is an integer number (5551945).

Almost surely, 2^11103889 is an apocalyptic number.

It is an amenable number.

11103889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103889 is an equidigital number, since it uses as much as digits as its factorization.

11103889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 11103889 is about 3332.2498405732. The cubic root of 11103889 is about 223.0959590237.

The spelling of 11103889 in words is "eleven million, one hundred three thousand, eight hundred eighty-nine".