1099009911 has 8 divisors (see below), whose sum is σ = 1487217664. Its totient is φ = 721737720.

The previous prime is 1099009823. The next prime is 1099009921. The reversal of 1099009911 is 1199009901.

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

It is not a de Polignac number, because 1099009911 - 2⁷ = 1099009783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1099009911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099009921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733655 + ... + 2734056.

It is an arithmetic number, because the mean of its divisors is an integer number (185902208).

Almost surely, 2^1099009911 is an apocalyptic number.

1099009911 is a deficient number, since it is larger than the sum of its proper divisors (388207753).

1099009911 is an equidigital number, since it uses as much as digits as its factorization.

1099009911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467781.

The product of its (nonzero) digits is 6561, while the sum is 39.

The square root of 1099009911 is about 33151.3183900731. The cubic root of 1099009911 is about 1031.9703106130.

The spelling of 1099009911 in words is "one billion, ninety-nine million, nine thousand, nine hundred eleven".