11123313999 has 8 divisors (see below), whose sum is σ = 16949811840. Its totient is φ = 6356179416.

The previous prime is 11123313967. The next prime is 11123314009. The reversal of 11123313999 is 99931332111.

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

It is not a de Polignac number, because 11123313999 - 2⁵ = 11123313967 is a prime.

It is a super-2 number, since 2×11123313999² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11123313999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123313919) 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, 264840789 + ... + 264840830.

It is an arithmetic number, because the mean of its divisors is an integer number (2118726480).

Almost surely, 2^11123313999 is an apocalyptic number.

11123313999 is a deficient number, since it is larger than the sum of its proper divisors (5826497841).

11123313999 is an equidigital number, since it uses as much as digits as its factorization.

11123313999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529681629.

The product of its digits is 39366, while the sum is 42.

The spelling of 11123313999 in words is "eleven billion, one hundred twenty-three million, three hundred thirteen thousand, nine hundred ninety-nine".