11443340999 has 4 divisors (see below), whose sum is σ = 11446032120. Its totient is φ = 11440649880.

The previous prime is 11443340989. The next prime is 11443341001. The reversal of 11443340999 is 99904334411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99904334411 = 7 ⋅14272047773.

It is a cyclic number.

It is not a de Polignac number, because 11443340999 - 2⁴ = 11443340983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443340989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339172 + ... + 1347689.

It is an arithmetic number, because the mean of its divisors is an integer number (2861508030).

Almost surely, 2^11443340999 is an apocalyptic number.

11443340999 is a deficient number, since it is larger than the sum of its proper divisors (2691121).

11443340999 is an equidigital number, since it uses as much as digits as its factorization.

11443340999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691120.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 11443340999 in words is "eleven billion, four hundred forty-three million, three hundred forty thousand, nine hundred ninety-nine".