11103689 has 2 divisors, whose sum is σ = 11103690. Its totient is φ = 11103688.

The previous prime is 11103671. The next prime is 11103727. The reversal of 11103689 is 98630111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6086089 + 5017600 = 2467^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103689 - 2²⁰ = 10055113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11103889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551844 + 5551845.

It is an arithmetic number, because the mean of its divisors is an integer number (5551845).

Almost surely, 2^11103689 is an apocalyptic number.

It is an amenable number.

11103689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103689 is an equidigital number, since it uses as much as digits as its factorization.

11103689 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 29.

The square root of 11103689 is about 3332.2198306834. The cubic root of 11103689 is about 223.0946195693.

The spelling of 11103689 in words is "eleven million, one hundred three thousand, six hundred eighty-nine".