11038609 has 2 divisors, whose sum is σ = 11038610. Its totient is φ = 11038608.

The previous prime is 11038603. The next prime is 11038619. The reversal of 11038609 is 90683011.

It is a happy number.

11038609 is digitally balanced in base 2 and base 3, because in such bases 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., 7579009 + 3459600 = 2753^2 + 1860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11038609 is a prime.

It is not a weakly prime, because it can be changed into another prime (11038603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5519304 + 5519305.

It is an arithmetic number, because the mean of its divisors is an integer number (5519305).

Almost surely, 2^11038609 is an apocalyptic number.

It is an amenable number.

11038609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11038609 is an equidigital number, since it uses as much as digits as its factorization.

11038609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11038609 is about 3322.4402176713. The cubic root of 11038609 is about 222.6579041556.

The spelling of 11038609 in words is "eleven million, thirty-eight thousand, six hundred nine".