1109798726400 has 2592 divisors, whose sum is σ = 5189511600000. Its totient is φ = 224563691520.

The previous prime is 1109798726363. The next prime is 1109798726411. The reversal of 1109798726400 is 46278979011.

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 287 ways as a sum of consecutive naturals, for example, 7448313526 + ... + 7448313674.

Almost surely, 2^{1109798726400} is an apocalyptic number.

1109798726400 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 1109798726400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2594755800000).

1109798726400 is an abundant number, since it is smaller than the sum of its proper divisors (4079712873600).

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

1109798726400 is a wasteful number, since it uses less digits than its factorization.

1109798726400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 1109798726400 in words is "one trillion, one hundred nine billion, seven hundred ninety-eight million, seven hundred twenty-six thousand, four hundred".