11243320000 has 420 divisors, whose sum is σ = 32293700208. Its totient is φ = 3872000000.

The previous prime is 11243319959. The next prime is 11243320003. The reversal of 11243320000 is 2334211.

It is a happy number.

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (11243320003) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 111319950 + ... + 111320050.

Almost surely, 2^11243320000 is an apocalyptic number.

11243320000 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 11243320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16146850104).

11243320000 is an abundant number, since it is smaller than the sum of its proper divisors (21050380208).

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

11243320000 is a wasteful number, since it uses less digits than its factorization.

11243320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11243320000 its reverse (2334211), we get a palindrome (11245654211).

The spelling of 11243320000 in words is "eleven billion, two hundred forty-three million, three hundred twenty thousand".