1109526081198 has 32 divisors (see below), whose sum is σ = 2244208459680. Its totient is φ = 365650137600.

The previous prime is 1109526081187. The next prime is 1109526081229. The reversal of 1109526081198 is 8911806259011.

It is a self number, because there is not a number n which added to its sum of digits gives 1109526081198.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5562936 + ... + 5758932.

It is an arithmetic number, because the mean of its divisors is an integer number (70131514365).

Almost surely, 2^{1109526081198} is an apocalyptic number.

1109526081198 is an abundant number, since it is smaller than the sum of its proper divisors (1134682378482).

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

1109526081198 is a wasteful number, since it uses less digits than its factorization.

1109526081198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206692.

The product of its (nonzero) digits is 311040, while the sum is 51.

The spelling of 1109526081198 in words is "one trillion, one hundred nine billion, five hundred twenty-six million, eighty-one thousand, one hundred ninety-eight".