11044213439 has 40 divisors (see below), whose sum is σ = 13759946112. Its totient is φ = 8842402800.

The previous prime is 11044213399. The next prime is 11044213459. The reversal of 11044213439 is 93431244011.

11044213439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11044213439 - 2¹² = 11044209343 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 (11044213459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2372264 + ... + 2376914.

Almost surely, 2^11044213439 is an apocalyptic number.

11044213439 is a deficient number, since it is larger than the sum of its proper divisors (2715732673).

11044213439 is an frugal number, since it uses more digits than its factorization.

11044213439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 11044213439 in words is "eleven billion, forty-four million, two hundred thirteen thousand, four hundred thirty-nine".