11044421004 has 72 divisors (see below), whose sum is σ = 27351898560. Its totient is φ = 3467983968.

The previous prime is 11044420949. The next prime is 11044421009. The reversal of 11044421004 is 40012444011.

It is not an unprimeable number, because it can be changed into a prime (11044421009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768307 + ... + 782549.

It is an arithmetic number, because the mean of its divisors is an integer number (379887480).

Almost surely, 2^11044421004 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 11044421004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13675949280).

11044421004 is an abundant number, since it is smaller than the sum of its proper divisors (16307477556).

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

11044421004 is a wasteful number, since it uses less digits than its factorization.

11044421004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467 (or 14446 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11044421004 its reverse (40012444011), we get a palindrome (51056865015).

The spelling of 11044421004 in words is "eleven billion, forty-four million, four hundred twenty-one thousand, four".