1100113240044 has 192 divisors, whose sum is σ = 3346042355712. Its totient is φ = 272999116800.

The previous prime is 1100113239989. The next prime is 1100113240049. The reversal of 1100113240044 is 4400423110011.

It is a super-3 number, since 3×1100113240044³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1100113240044.

It is not an unprimeable number, because it can be changed into a prime (1100113240049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108798549 + ... + 108808659.

It is an arithmetic number, because the mean of its divisors is an integer number (17427303936).

Almost surely, 2^{1100113240044} is an apocalyptic number.

1100113240044 is a gapful number since it is divisible by the number (14) 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 1100113240044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673021177856).

1100113240044 is an abundant number, since it is smaller than the sum of its proper divisors (2245929115668).

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

1100113240044 is a wasteful number, since it uses less digits than its factorization.

1100113240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16016 (or 16014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1100113240044 its reverse (4400423110011), we get a palindrome (5500536350055).

The spelling of 1100113240044 in words is "one trillion, one hundred billion, one hundred thirteen million, two hundred forty thousand, forty-four".