11699716609 has 8 divisors (see below), whose sum is σ = 13732486208. Its totient is φ = 9757292400.

The previous prime is 11699716607. The next prime is 11699716673. The reversal of 11699716609 is 90661799611.

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 11699716609 - 2¹ = 11699716607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11699716609.

It is not an unprimeable number, because it can be changed into a prime (11699716601) 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, 22586067 + ... + 22586584.

It is an arithmetic number, because the mean of its divisors is an integer number (1716560776).

Almost surely, 2^11699716609 is an apocalyptic number.

It is an amenable number.

11699716609 is a deficient number, since it is larger than the sum of its proper divisors (2032769599).

11699716609 is an equidigital number, since it uses as much as digits as its factorization.

11699716609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45172695.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 11699716609 in words is "eleven billion, six hundred ninety-nine million, seven hundred sixteen thousand, six hundred nine".