11013320320 has 64 divisors (see below), whose sum is σ = 26584496640. Its totient is φ = 4362531840.

The previous prime is 11013320267. The next prime is 11013320323. The reversal of 11013320320 is 2302331011.

It is a tau number, because it is divible by the number of its divisors (64).

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 = 11013320294 and 11013320303.

It is not an unprimeable number, because it can be changed into a prime (11013320323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17616 + ... + 149455.

It is an arithmetic number, because the mean of its divisors is an integer number (415382760).

Almost surely, 2^11013320320 is an apocalyptic number.

11013320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013320320 is an abundant number, since it is smaller than the sum of its proper divisors (15571176320).

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

11013320320 is a wasteful number, since it uses less digits than its factorization.

11013320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167193 (or 167181 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11013320320 its reverse (2302331011), we get a palindrome (13315651331).

The spelling of 11013320320 in words is "eleven billion, thirteen million, three hundred twenty thousand, three hundred twenty".