1113442000000 has 672 divisors, whose sum is σ = 3147695646480. Its totient is φ = 391776000000.

The previous prime is 1113441999973. The next prime is 1113442000007. The reversal of 1113442000000 is 2443111.

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 (1113442000007) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 10405999947 + ... + 10406000053.

Almost surely, 2^{1113442000000} is an apocalyptic number.

1113442000000 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 1113442000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573847823240).

1113442000000 is an abundant number, since it is smaller than the sum of its proper divisors (2034253646480).

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

1113442000000 is an frugal number, since it uses more digits than its factorization.

1113442000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1113442000000 its reverse (2443111), we get a palindrome (1113444443111).

The spelling of 1113442000000 in words is "one trillion, one hundred thirteen billion, four hundred forty-two million", and thus it is an aban number.