1112311103200 has 144 divisors (see below), whose sum is σ = 3002867710416. Its totient is φ = 398935756800.

The previous prime is 1112311103173. The next prime is 1112311103237. The reversal of 1112311103200 is 23011132111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223347 + ... + 1508146.

It is an arithmetic number, because the mean of its divisors is an integer number (20853247989).

Almost surely, 2^{1112311103200} is an apocalyptic number.

1112311103200 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 1112311103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501433855208).

1112311103200 is an abundant number, since it is smaller than the sum of its proper divisors (1890556607216).

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

1112311103200 is a wasteful number, since it uses less digits than its factorization.

1112311103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731597 (or 1731584 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1112311103200 its reverse (23011132111), we get a palindrome (1135322235311).

The spelling of 1112311103200 in words is "one trillion, one hundred twelve billion, three hundred eleven million, one hundred three thousand, two hundred".