1081788919200 has 432 divisors, whose sum is σ = 4164172975872. Its totient is φ = 262080000000.

The previous prime is 1081788919177. The next prime is 1081788919207. The reversal of 1081788919200 is 29198871801.

It is not an unprimeable number, because it can be changed into a prime (1081788919207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 154515700 + ... + 154522700.

It is an arithmetic number, because the mean of its divisors is an integer number (9639289296).

Almost surely, 2^{1081788919200} is an apocalyptic number.

1081788919200 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 1081788919200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082086487936).

1081788919200 is an abundant number, since it is smaller than the sum of its proper divisors (3082384056672).

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

1081788919200 is a wasteful number, since it uses less digits than its factorization.

1081788919200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989 (or 8973 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 54.

The spelling of 1081788919200 in words is "one trillion, eighty-one billion, seven hundred eighty-eight million, nine hundred nineteen thousand, two hundred".