1109526081197 has 8 divisors (see below), whose sum is σ = 1118278650720. Its totient is φ = 1100784517200.

The previous prime is 1109526081187. The next prime is 1109526081229. The reversal of 1109526081197 is 7911806259011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1109526081197 - 2⁸ = 1109526080941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109526081187) 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 7 ways as a sum of consecutive naturals, for example, 2548898 + ... + 2952275.

It is an arithmetic number, because the mean of its divisors is an integer number (139784831340).

Almost surely, 2^{1109526081197} is an apocalyptic number.

It is an amenable number.

1109526081197 is a deficient number, since it is larger than the sum of its proper divisors (8752569523).

1109526081197 is a wasteful number, since it uses less digits than its factorization.

1109526081197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502763.

The product of its (nonzero) digits is 272160, while the sum is 50.

The spelling of 1109526081197 in words is "one trillion, one hundred nine billion, five hundred twenty-six million, eighty-one thousand, one hundred ninety-seven".