11105193309 has 32 divisors (see below), whose sum is σ = 17224728576. Its totient is φ = 6233371200.

The previous prime is 11105193301. The next prime is 11105193331. The reversal of 11105193309 is 90339150111.

It is not a de Polignac number, because 11105193309 - 2³ = 11105193301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11105193309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105193301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248754 + ... + 289980.

It is an arithmetic number, because the mean of its divisors is an integer number (538272768).

Almost surely, 2^11105193309 is an apocalyptic number.

It is an amenable number.

11105193309 is a deficient number, since it is larger than the sum of its proper divisors (6119535267).

11105193309 is a wasteful number, since it uses less digits than its factorization.

11105193309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41465.

The product of its (nonzero) digits is 3645, while the sum is 33.

The spelling of 11105193309 in words is "eleven billion, one hundred five million, one hundred ninety-three thousand, three hundred nine".