1109571491110 has 8 divisors (see below), whose sum is σ = 1997228684016. Its totient is φ = 443828596440.

The previous prime is 1109571490991. The next prime is 1109571491113. The reversal of 1109571491110 is 111941759011.

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

It is a super-2 number, since 2×1109571491110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109571491113) 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 3 ways as a sum of consecutive naturals, for example, 55478574546 + ... + 55478574565.

It is an arithmetic number, because the mean of its divisors is an integer number (249653585502).

Almost surely, 2^{1109571491110} is an apocalyptic number.

1109571491110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109571491110 is a deficient number, since it is larger than the sum of its proper divisors (887657192906).

1109571491110 is a wasteful number, since it uses less digits than its factorization.

1109571491110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110957149118.

The product of its (nonzero) digits is 11340, while the sum is 40.

The spelling of 1109571491110 in words is "one trillion, one hundred nine billion, five hundred seventy-one million, four hundred ninety-one thousand, one hundred ten".