1111243303424 has 80 divisors (see below), whose sum is σ = 2231445053376. Its totient is φ = 552840806400.

The previous prime is 1111243303411. The next prime is 1111243303447. The reversal of 1111243303424 is 4243033421111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176077229 + ... + 176083539.

Almost surely, 2^{1111243303424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111243303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115722526688).

1111243303424 is an abundant number, since it is smaller than the sum of its proper divisors (1120201749952).

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

1111243303424 is an equidigital number, since it uses as much as digits as its factorization.

1111243303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7997 (or 7981 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1111243303424 its reverse (4243033421111), we get a palindrome (5354276724535).

The spelling of 1111243303424 in words is "one trillion, one hundred eleven billion, two hundred forty-three million, three hundred three thousand, four hundred twenty-four".