1109244433780 has 384 divisors, whose sum is σ = 2902854205440. Its totient is φ = 347882895360.

The previous prime is 1109244433751. The next prime is 1109244433793. The reversal of 1109244433780 is 873344429011.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1109244433780.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1322102601 + ... + 1322103439.

It is an arithmetic number, because the mean of its divisors is an integer number (7559516160).

Almost surely, 2^{1109244433780} is an apocalyptic number.

1109244433780 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 1109244433780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451427102720).

1109244433780 is an abundant number, since it is smaller than the sum of its proper divisors (1793609771660).

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

1109244433780 is a wasteful number, since it uses less digits than its factorization.

1109244433780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 1109244433780 in words is "one trillion, one hundred nine billion, two hundred forty-four million, four hundred thirty-three thousand, seven hundred eighty".