11445544344 has 128 divisors (see below), whose sum is σ = 31099320000. Its totient is φ = 3489398784.

The previous prime is 11445544261. The next prime is 11445544361. The reversal of 11445544344 is 44344554411.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27984012 + ... + 27984420.

Almost surely, 2^11445544344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11445544344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15549660000).

11445544344 is an abundant number, since it is smaller than the sum of its proper divisors (19653775656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11445544344 is a wasteful number, since it uses less digits than its factorization.

11445544344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1033 counting only the distinct ones).

The product of its digits is 307200, while the sum is 39.

The spelling of 11445544344 in words is "eleven billion, four hundred forty-five million, five hundred forty-four thousand, three hundred forty-four".