11305500320 has 96 divisors (see below), whose sum is σ = 27349975296. Its totient is φ = 4414233600.

The previous prime is 11305500233. The next prime is 11305500343. The reversal of 11305500320 is 2300550311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11305500292 and 11305500301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3164135 + ... + 3167705.

It is an arithmetic number, because the mean of its divisors is an integer number (284895576).

Almost surely, 2^11305500320 is an apocalyptic number.

11305500320 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 11305500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13674987648).

11305500320 is an abundant number, since it is smaller than the sum of its proper divisors (16044474976).

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

11305500320 is a wasteful number, since it uses less digits than its factorization.

11305500320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054 (or 4046 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The spelling of 11305500320 in words is "eleven billion, three hundred five million, five hundred thousand, three hundred twenty".