11044344399 has 16 divisors (see below), whose sum is σ = 16101794304. Its totient is φ = 6678003200.

The previous prime is 11044344391. The next prime is 11044344439. The reversal of 11044344399 is 99344344011.

It is not a de Polignac number, because 11044344399 - 2³ = 11044344391 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11044344399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044344391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374034 + ... + 402479.

It is an arithmetic number, because the mean of its divisors is an integer number (1006362144).

Almost surely, 2^11044344399 is an apocalyptic number.

11044344399 is a deficient number, since it is larger than the sum of its proper divisors (5057449905).

11044344399 is a wasteful number, since it uses less digits than its factorization.

11044344399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776958.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 11044344399 in words is "eleven billion, forty-four million, three hundred forty-four thousand, three hundred ninety-nine".