11044321105520 has 80 divisors (see below), whose sum is σ = 25723733798880. Its totient is φ = 4409870441472.

The previous prime is 11044321105513. The next prime is 11044321105637. The reversal of 11044321105520 is 2550112344011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464249786 + ... + 464273574.

It is an arithmetic number, because the mean of its divisors is an integer number (321546672486).

Almost surely, 2^{11044321105520} is an apocalyptic number.

11044321105520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11044321105520 is an abundant number, since it is smaller than the sum of its proper divisors (14679412693360).

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

11044321105520 is a wasteful number, since it uses less digits than its factorization.

11044321105520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33882 (or 33876 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 11044321105520 its reverse (2550112344011), we get a palindrome (13594433449531).

The spelling of 11044321105520 in words is "eleven trillion, forty-four billion, three hundred twenty-one million, one hundred five thousand, five hundred twenty".