11123202320 has 20 divisors (see below), whose sum is σ = 25861445580. Its totient is φ = 4449280896.

The previous prime is 11123202301. The next prime is 11123202341. The reversal of 11123202320 is 2320232111.

11123202320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3028961296 + 8094241024 = 55036^2 + 89968^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69519935 + ... + 69520094.

It is an arithmetic number, because the mean of its divisors is an integer number (1293072279).

Almost surely, 2^11123202320 is an apocalyptic number.

11123202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123202320 is an abundant number, since it is smaller than the sum of its proper divisors (14738243260).

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

11123202320 is a wasteful number, since it uses less digits than its factorization.

11123202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139040042 (or 139040036 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11123202320 its reverse (2320232111), we get a palindrome (13443434431).

The spelling of 11123202320 in words is "eleven billion, one hundred twenty-three million, two hundred two thousand, three hundred twenty".