11310405550221 has 8 divisors (see below), whose sum is σ = 15081082394944. Its totient is φ = 7539999536160.

The previous prime is 11310405550207. The next prime is 11310405550273. The reversal of 11310405550221 is 12205550401311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11310405550221 - 2¹¹ = 11310405548173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310405550201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67610200 + ... + 67777281.

It is an arithmetic number, because the mean of its divisors is an integer number (1885135299368).

Almost surely, 2^{11310405550221} is an apocalyptic number.

It is an amenable number.

11310405550221 is a deficient number, since it is larger than the sum of its proper divisors (3770676844723).

11310405550221 is a wasteful number, since it uses less digits than its factorization.

11310405550221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135415331.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 11310405550221 its reverse (12205550401311), we get a palindrome (23515955951532).

The spelling of 11310405550221 in words is "eleven trillion, three hundred ten billion, four hundred five million, five hundred fifty thousand, two hundred twenty-one".