441103216521 has 32 divisors (see below), whose sum is σ = 644750668800. Its totient is φ = 266026812480.

The previous prime is 441103216513. The next prime is 441103216591. The reversal of 441103216521 is 125612301144.

It is not a de Polignac number, because 441103216521 - 2³ = 441103216513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441103216591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7596420 + ... + 7654266.

It is an arithmetic number, because the mean of its divisors is an integer number (20148458400).

Almost surely, 2^441103216521 is an apocalyptic number.

It is an amenable number.

441103216521 is a deficient number, since it is larger than the sum of its proper divisors (203647452279).

441103216521 is a wasteful number, since it uses less digits than its factorization.

441103216521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58989.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 441103216521 its reverse (125612301144), we get a palindrome (566715517665).

The spelling of 441103216521 in words is "four hundred forty-one billion, one hundred three million, two hundred sixteen thousand, five hundred twenty-one".