1100191104 has 96 divisors (see below), whose sum is σ = 3189480840. Its totient is φ = 364001280.

The previous prime is 1100191097. The next prime is 1100191109. The reversal of 1100191104 is 4011910011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100191109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154339 + ... + 161309.

Almost surely, 2^1100191104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100191104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594740420).

1100191104 is an abundant number, since it is smaller than the sum of its proper divisors (2089289736).

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

1100191104 is a wasteful number, since it uses less digits than its factorization.

1100191104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128 (or 7113 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 1100191104 is about 33169.1287796348. The cubic root of 1100191104 is about 1032.3398916491.

The spelling of 1100191104 in words is "one billion, one hundred million, one hundred ninety-one thousand, one hundred four".