1111243304000 has 112 divisors (see below), whose sum is σ = 2762229852720. Its totient is φ = 442844057600.

The previous prime is 1111243303997. The next prime is 1111243304027. The reversal of 1111243304000 is 4033421111.

It can be written as a sum of positive squares in 8 ways, for example, as 314380004416 + 796863299584 = 560696^2 + 892672^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1893812 + ... + 2410188.

Almost surely, 2^{1111243304000} is an apocalyptic number.

1111243304000 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 1111243304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381114926360).

1111243304000 is an abundant number, since it is smaller than the sum of its proper divisors (1650986548720).

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

1111243304000 is an equidigital number, since it uses as much as digits as its factorization.

1111243304000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516673 (or 516653 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1111243304000 its reverse (4033421111), we get a palindrome (1115276725111).

The spelling of 1111243304000 in words is "one trillion, one hundred eleven billion, two hundred forty-three million, three hundred four thousand".