11321311440028 has 12 divisors (see below), whose sum is σ = 19846631757232. Its totient is φ = 5650845223680.

The previous prime is 11321311439981. The next prime is 11321311440029. The reversal of 11321311440028 is 82004411312311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321311440029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452621488 + ... + 2452626103.

Almost surely, 2^{11321311440028} is an apocalyptic number.

It is an amenable number.

11321311440028 is a deficient number, since it is larger than the sum of its proper divisors (8525320317204).

11321311440028 is a wasteful number, since it uses less digits than its factorization.

11321311440028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905248172 (or 4905248170 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 11321311440028 its reverse (82004411312311), we get a palindrome (93325722752339).

The spelling of 11321311440028 in words is "eleven trillion, three hundred twenty-one billion, three hundred eleven million, four hundred forty thousand, twenty-eight".