11421814044 has 12 divisors (see below), whose sum is σ = 26650899464.
Its totient is φ = 3807271344.
The previous prime is 11421814039. The next prime is 11421814081. The reversal of 11421814044 is 44041812411.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475908907 + ... + 475908930.
Almost surely, 211421814044 is an apocalyptic number.
It is an amenable number.
11421814044 is an abundant number, since it is smaller than the sum of its proper divisors (15229085420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11421814044 is a wasteful number, since it uses less digits than its factorization.
11421814044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 951817844 (or 951817842 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 30.
The spelling of 11421814044 in words is "eleven billion, four hundred twenty-one million, eight hundred fourteen thousand, forty-four".