11001309999 has 8 divisors (see below), whose sum is σ = 14819634480. Its totient is φ = 7258596096.

The previous prime is 11001309997. The next prime is 11001310007. The reversal of 11001309999 is 99990310011.

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

It is not a de Polignac number, because 11001309999 - 2¹ = 11001309997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11001309999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001309997) 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, 18902304 + ... + 18902885.

It is an arithmetic number, because the mean of its divisors is an integer number (1852454310).

Almost surely, 2^11001309999 is an apocalyptic number.

11001309999 is a deficient number, since it is larger than the sum of its proper divisors (3818324481).

11001309999 is an equidigital number, since it uses as much as digits as its factorization.

11001309999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37805289.

The product of its (nonzero) digits is 19683, while the sum is 42.

The spelling of 11001309999 in words is "eleven billion, one million, three hundred nine thousand, nine hundred ninety-nine".