1818341100000 has 432 divisors, whose sum is σ = 6479922758400. Its totient is φ = 483638400000.

The previous prime is 1818341099987. The next prime is 1818341100011. The reversal of 1818341100000 is 11438181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 378897601 + ... + 378902399.

It is an arithmetic number, because the mean of its divisors is an integer number (14999821200).

Almost surely, 2^{1818341100000} is an apocalyptic number.

1818341100000 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 1818341100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3239961379200).

1818341100000 is an abundant number, since it is smaller than the sum of its proper divisors (4661581658400).

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

1818341100000 is an equidigital number, since it uses as much as digits as its factorization.

1818341100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

Adding to 1818341100000 its reverse (11438181), we get a palindrome (1818352538181).

The spelling of 1818341100000 in words is "one trillion, eight hundred eighteen billion, three hundred forty-one million, one hundred thousand".