11311320000 has 140 divisors (see below), whose sum is σ = 37398259976. Its totient is φ = 3016320000.

The previous prime is 11311319977. The next prime is 11311320011. The reversal of 11311320000 is 2311311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72870 + ... + 167130.

Almost surely, 2^11311320000 is an apocalyptic number.

11311320000 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 11311320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18699129988).

11311320000 is an abundant number, since it is smaller than the sum of its proper divisors (26086939976).

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

11311320000 is an frugal number, since it uses more digits than its factorization.

11311320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94296 (or 94271 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11311320000 its reverse (2311311), we get a palindrome (11313631311).

The spelling of 11311320000 in words is "eleven billion, three hundred eleven million, three hundred twenty thousand".