11310012320 has 96 divisors (see below), whose sum is σ = 27560445696. Its totient is φ = 4383616000.

The previous prime is 11310012299. The next prime is 11310012323. The reversal of 11310012320 is 2321001311.

It is a junction number, because it is equal to n+sod(n) for n = 11310012295 and 11310012304.

It is not an unprimeable number, because it can be changed into a prime (11310012323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752075 + ... + 766965.

It is an arithmetic number, because the mean of its divisors is an integer number (287087976).

Almost surely, 2^11310012320 is an apocalyptic number.

11310012320 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 11310012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13780222848).

11310012320 is an abundant number, since it is smaller than the sum of its proper divisors (16250433376).

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

11310012320 is a wasteful number, since it uses less digits than its factorization.

11310012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15054 (or 15046 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11310012320 its reverse (2321001311), we get a palindrome (13631013631).

The spelling of 11310012320 in words is "eleven billion, three hundred ten million, twelve thousand, three hundred twenty".