1098794188800 has 2160 divisors, whose sum is σ = 5070758784000. Its totient is φ = 225430732800.

The previous prime is 1098794188799. The next prime is 1098794188801. The reversal of 1098794188800 is 88814978901.

It is an interprime number because it is at equal distance from previous prime (1098794188799) and next prime (1098794188801).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098794188801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13908787161 + ... + 13908787239.

Almost surely, 2^{1098794188800} is an apocalyptic number.

1098794188800 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 1098794188800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535379392000).

1098794188800 is an abundant number, since it is smaller than the sum of its proper divisors (3971964595200).

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

1098794188800 is an equidigital number, since it uses as much as digits as its factorization.

1098794188800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 63.

The spelling of 1098794188800 in words is "one trillion, ninety-eight billion, seven hundred ninety-four million, one hundred eighty-eight thousand, eight hundred".