11321311440054 has 96 divisors (see below), whose sum is σ = 28753202105856. Its totient is φ = 2938621586880.

The previous prime is 11321311440029. The next prime is 11321311440083. The reversal of 11321311440054 is 45004411312311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3631852 + ... + 5986064.

It is an arithmetic number, because the mean of its divisors is an integer number (299512521936).

Almost surely, 2^{11321311440054} is an apocalyptic number.

11321311440054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11321311440054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14376601052928).

11321311440054 is an abundant number, since it is smaller than the sum of its proper divisors (17431890665802).

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

11321311440054 is a wasteful number, since it uses less digits than its factorization.

11321311440054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355730 (or 2355723 counting only the distinct ones).

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

Adding to 11321311440054 its reverse (45004411312311), we get a palindrome (56325722752365).

The spelling of 11321311440054 in words is "eleven trillion, three hundred twenty-one billion, three hundred eleven million, four hundred forty thousand, fifty-four".