11321031320320 has 144 divisors (see below), whose sum is σ = 28263941701632. Its totient is φ = 4339786199040.

The previous prime is 11321031320299. The next prime is 11321031320341. The reversal of 11321031320320 is 2302313012311.

It is an interprime number because it is at equal distance from previous prime (11321031320299) and next prime (11321031320341).

It is a junction number, because it is equal to n+sod(n) for n = 11321031320291 and 11321031320300.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2702049 + ... + 5472031.

It is an arithmetic number, because the mean of its divisors is an integer number (196277372928).

Almost surely, 2^{11321031320320} is an apocalyptic number.

11321031320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11321031320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14131970850816).

11321031320320 is an abundant number, since it is smaller than the sum of its proper divisors (16942910381312).

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

11321031320320 is a wasteful number, since it uses less digits than its factorization.

11321031320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770138 (or 2770124 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11321031320320 its reverse (2302313012311), we get a palindrome (13623344332631).

The spelling of 11321031320320 in words is "eleven trillion, three hundred twenty-one billion, thirty-one million, three hundred twenty thousand, three hundred twenty".