11116309 has 4 divisors (see below), whose sum is σ = 11499660. Its totient is φ = 10732960.

The previous prime is 11116307. The next prime is 11116333. The reversal of 11116309 is 90361111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8151025 + 2965284 = 2855^2 + 1722^2 .

It is a cyclic number.

It is not a de Polignac number, because 11116309 - 2¹ = 11116307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11116309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116307) 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 in 3 ways as a sum of consecutive naturals, for example, 191632 + ... + 191689.

It is an arithmetic number, because the mean of its divisors is an integer number (2874915).

Almost surely, 2^11116309 is an apocalyptic number.

It is an amenable number.

11116309 is a deficient number, since it is larger than the sum of its proper divisors (383351).

11116309 is an equidigital number, since it uses as much as digits as its factorization.

11116309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383350.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 11116309 is about 3334.1129255021. The cubic root of 11116309 is about 223.1791076504.

The spelling of 11116309 in words is "eleven million, one hundred sixteen thousand, three hundred nine".