11318200320 has 576 divisors, whose sum is σ = 43112684160. Its totient is φ = 2526806016.

The previous prime is 11318200273. The next prime is 11318200349. The reversal of 11318200320 is 2300281311.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 109885389 + ... + 109885491.

It is an arithmetic number, because the mean of its divisors is an integer number (74848410).

Almost surely, 2^11318200320 is an apocalyptic number.

11318200320 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 11318200320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21556342080).

11318200320 is an abundant number, since it is smaller than the sum of its proper divisors (31794483840).

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

11318200320 is a wasteful number, since it uses less digits than its factorization.

11318200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11318200320 its reverse (2300281311), we get a palindrome (13618481631).

The spelling of 11318200320 in words is "eleven billion, three hundred eighteen million, two hundred thousand, three hundred twenty".