11380337209 has 4 divisors (see below), whose sum is σ = 11772762660. Its totient is φ = 10987911760.

The previous prime is 11380337207. The next prime is 11380337219. The reversal of 11380337209 is 90273308311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90273308311 = 97 ⋅930652663.

It can be written as a sum of positive squares in 2 ways, for example, as 7635264400 + 3745072809 = 87380^2 + 61197^2 .

It is a cyclic number.

It is not a de Polignac number, because 11380337209 - 2¹ = 11380337207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11380337201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196212682 + ... + 196212739.

It is an arithmetic number, because the mean of its divisors is an integer number (2943190665).

Almost surely, 2^11380337209 is an apocalyptic number.

It is an amenable number.

11380337209 is a deficient number, since it is larger than the sum of its proper divisors (392425451).

11380337209 is an equidigital number, since it uses as much as digits as its factorization.

11380337209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392425450.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 11380337209 in words is "eleven billion, three hundred eighty million, three hundred thirty-seven thousand, two hundred nine".