5518836119784 has 128 divisors (see below), whose sum is σ = 15651840758400. Its totient is φ = 1607555496960.

The previous prime is 5518836119773. The next prime is 5518836119789. The reversal of 5518836119784 is 4879116388155.

It is not an unprimeable number, because it can be changed into a prime (5518836119789) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7800114 + ... + 8478174.

It is an arithmetic number, because the mean of its divisors is an integer number (122280005925).

Almost surely, 2^{5518836119784} 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 5518836119784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7825920379200).

5518836119784 is an abundant number, since it is smaller than the sum of its proper divisors (10133004638616).

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

5518836119784 is a wasteful number, since it uses less digits than its factorization.

5518836119784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679475 (or 679471 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 66.

The spelling of 5518836119784 in words is "five trillion, five hundred eighteen billion, eight hundred thirty-six million, one hundred nineteen thousand, seven hundred eighty-four".