11671599799 has 8 divisors (see below), whose sum is σ = 11734828560. Its totient is φ = 11608483776.

The previous prime is 11671599767. The next prime is 11671599827. The reversal of 11671599799 is 99799517611.

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 11671599799 - 2⁵ = 11671599767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11671599799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671539799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183717 + ... + 238945.

It is an arithmetic number, because the mean of its divisors is an integer number (1466853570).

Almost surely, 2^11671599799 is an apocalyptic number.

11671599799 is a deficient number, since it is larger than the sum of its proper divisors (63228761).

11671599799 is an equidigital number, since it uses as much as digits as its factorization.

11671599799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56369.

The product of its digits is 9644670, while the sum is 64.

The spelling of 11671599799 in words is "eleven billion, six hundred seventy-one million, five hundred ninety-nine thousand, seven hundred ninety-nine".