1099983115800 has 384 divisors, whose sum is σ = 4096047360000. Its totient is φ = 270378984960.

The previous prime is 1099983115787. The next prime is 1099983115817. The reversal of 1099983115800 is 85113899901.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3651321 + ... + 3941079.

It is an arithmetic number, because the mean of its divisors is an integer number (10666790000).

Almost surely, 2^{1099983115800} is an apocalyptic number.

1099983115800 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 1099983115800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048023680000).

1099983115800 is an abundant number, since it is smaller than the sum of its proper divisors (2996064244200).

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

1099983115800 is a wasteful number, since it uses less digits than its factorization.

1099983115800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289840 (or 289825 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 54.

The spelling of 1099983115800 in words is "one trillion, ninety-nine billion, nine hundred eighty-three million, one hundred fifteen thousand, eight hundred".