11573006609 has 8 divisors (see below), whose sum is σ = 12201997440. Its totient is φ = 10946004336.

The previous prime is 11573006593. The next prime is 11573006611. The reversal of 11573006609 is 90660037511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11573006609 - 2⁴ = 11573006593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11573006689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485177 + ... + 508470.

It is an arithmetic number, because the mean of its divisors is an integer number (1525249680).

Almost surely, 2^11573006609 is an apocalyptic number.

11573006609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11573006609 is a deficient number, since it is larger than the sum of its proper divisors (628990831).

11573006609 is an equidigital number, since it uses as much as digits as its factorization.

11573006609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994279.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 11573006609 in words is "eleven billion, five hundred seventy-three million, six thousand, six hundred nine".