11304570209 has 4 divisors (see below), whose sum is σ = 11367026580. Its totient is φ = 11242113840.

The previous prime is 11304570161. The next prime is 11304570247. The reversal of 11304570209 is 90207540311.

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 3926275600 + 7378294609 = 62660^2 + 85897^2 .

It is a cyclic number.

It is not a de Polignac number, because 11304570209 - 2²⁰ = 11303521633 is a prime.

It is a super-3 number, since 3×11304570209³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11304570259) 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, 31227914 + ... + 31228275.

It is an arithmetic number, because the mean of its divisors is an integer number (2841756645).

Almost surely, 2^11304570209 is an apocalyptic number.

It is an amenable number.

11304570209 is a deficient number, since it is larger than the sum of its proper divisors (62456371).

11304570209 is an equidigital number, since it uses as much as digits as its factorization.

11304570209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62456370.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 11304570209 in words is "eleven billion, three hundred four million, five hundred seventy thousand, two hundred nine".