11327167209 has 4 divisors (see below), whose sum is σ = 15102889616. Its totient is φ = 7551444804.

The previous prime is 11327167193. The next prime is 11327167223. The reversal of 11327167209 is 90276172311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11327167209 - 2⁴ = 11327167193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11327167249) 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, 1887861199 + ... + 1887861204.

It is an arithmetic number, because the mean of its divisors is an integer number (3775722404).

Almost surely, 2^11327167209 is an apocalyptic number.

It is an amenable number.

11327167209 is a deficient number, since it is larger than the sum of its proper divisors (3775722407).

11327167209 is an equidigital number, since it uses as much as digits as its factorization.

11327167209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775722406.

The product of its (nonzero) digits is 31752, while the sum is 39.

The spelling of 11327167209 in words is "eleven billion, three hundred twenty-seven million, one hundred sixty-seven thousand, two hundred nine".