1103055919992 has 192 divisors, whose sum is σ = 3322111752960. Its totient is φ = 328346265600.

The previous prime is 1103055919939. The next prime is 1103055920077. The reversal of 1103055919992 is 2999195503011.

1103055919992 is a `hidden beast` number, since 1 + 10 + 30 + 5 + 591 + 9 + 9 + 9 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 161238492 + ... + 161245332.

It is an arithmetic number, because the mean of its divisors is an integer number (17302665380).

Almost surely, 2^{1103055919992} is an apocalyptic number.

1103055919992 is a gapful number since it is divisible by the number (12) 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 1103055919992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661055876480).

1103055919992 is an abundant number, since it is smaller than the sum of its proper divisors (2219055832968).

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

1103055919992 is a wasteful number, since it uses less digits than its factorization.

1103055919992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12454 (or 12447 counting only the distinct ones).

The product of its (nonzero) digits is 984150, while the sum is 54.

The spelling of 1103055919992 in words is "one trillion, one hundred three billion, fifty-five million, nine hundred nineteen thousand, nine hundred ninety-two".