11103120320 has 112 divisors (see below), whose sum is σ = 27036979200. Its totient is φ = 4341703680.

The previous prime is 11103120319. The next prime is 11103120331. The reversal of 11103120320 is 2302130111.

It is a junction number, because it is equal to n+sod(n) for n = 11103120295 and 11103120304.

It is a congruent number.

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, 3604541 + ... + 3607619.

It is an arithmetic number, because the mean of its divisors is an integer number (241401600).

Almost surely, 2^11103120320 is an apocalyptic number.

11103120320 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 11103120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13518489600).

11103120320 is an abundant number, since it is smaller than the sum of its proper divisors (15933858880).

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

11103120320 is a wasteful number, since it uses less digits than its factorization.

11103120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11103120320 its reverse (2302130111), we get a palindrome (13405250431).

The spelling of 11103120320 in words is "eleven billion, one hundred three million, one hundred twenty thousand, three hundred twenty".