11011334320 has 80 divisors (see below), whose sum is σ = 29280625920. Its totient is φ = 3772484352.

The previous prime is 11011334293. The next prime is 11011334351. The reversal of 11011334320 is 2343311011.

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

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, 823851 + ... + 837109.

It is an arithmetic number, because the mean of its divisors is an integer number (366007824).

Almost surely, 2^11011334320 is an apocalyptic number.

11011334320 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 11011334320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14640312960).

11011334320 is an abundant number, since it is smaller than the sum of its proper divisors (18269291600).

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

11011334320 is a wasteful number, since it uses less digits than its factorization.

11011334320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14762 (or 14756 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11011334320 its reverse (2343311011), we get a palindrome (13354645331).

The spelling of 11011334320 in words is "eleven billion, eleven million, three hundred thirty-four thousand, three hundred twenty".