11099030911 has 4 divisors (see below), whose sum is σ = 11369739024. Its totient is φ = 10828322800.

The previous prime is 11099030893. The next prime is 11099030923. The reversal of 11099030911 is 11903099011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11099030911 - 2¹⁷ = 11098899839 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 (11099030311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135353995 + ... + 135354076.

It is an arithmetic number, because the mean of its divisors is an integer number (2842434756).

Almost surely, 2^11099030911 is an apocalyptic number.

11099030911 is a deficient number, since it is larger than the sum of its proper divisors (270708113).

11099030911 is an equidigital number, since it uses as much as digits as its factorization.

11099030911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270708112.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 11099030911 in words is "eleven billion, ninety-nine million, thirty thousand, nine hundred eleven".