11113202320 has 80 divisors (see below), whose sum is σ = 28212480000. Its totient is φ = 4037529600.

The previous prime is 11113202281. The next prime is 11113202329. The reversal of 11113202320 is 2320231111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11113202294 and 11113202303.

It is not an unprimeable number, because it can be changed into a prime (11113202329) 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, 1094065 + ... + 1104175.

It is an arithmetic number, because the mean of its divisors is an integer number (352656000).

Almost surely, 2^11113202320 is an apocalyptic number.

11113202320 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 11113202320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14106240000).

11113202320 is an abundant number, since it is smaller than the sum of its proper divisors (17099277680).

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

11113202320 is a wasteful number, since it uses less digits than its factorization.

11113202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384 (or 11378 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11113202320 its reverse (2320231111), we get a palindrome (13433433431).

The spelling of 11113202320 in words is "eleven billion, one hundred thirteen million, two hundred two thousand, three hundred twenty".