11183697009 has 9 divisors (see below), whose sum is σ = 16154687289. Its totient is φ = 7455586500.

The previous prime is 11183697001. The next prime is 11183697037. The reversal of 11183697009 is 90079638111.

The square root of 11183697009 is 105753.

It is a perfect power (a square), and thus also a powerful number.

11183697009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11183697009 - 2³ = 11183697001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11183697001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 299634 + ... + 334884.

Almost surely, 2^11183697009 is an apocalyptic number.

11183697009 is the 105753-rd square number.

11183697009 is the 52877-th centered octagonal number.

It is an amenable number.

11183697009 is a deficient number, since it is larger than the sum of its proper divisors (4970990280).

11183697009 is an frugal number, since it uses more digits than its factorization.

11183697009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70508 (or 35254 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 11183697009 in words is "eleven billion, one hundred eighty-three million, six hundred ninety-seven thousand, nine".