11208859909 has 8 divisors (see below), whose sum is σ = 12104709120. Its totient is φ = 10317814896.

The previous prime is 11208859889. The next prime is 11208859913. The reversal of 11208859909 is 90995880211.

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

It is a cyclic number.

It is not a de Polignac number, because 11208859909 - 2²⁹ = 10671988997 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 (11208859309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196197 + ... + 1205530.

It is an arithmetic number, because the mean of its divisors is an integer number (1513088640).

Almost surely, 2^11208859909 is an apocalyptic number.

It is an amenable number.

11208859909 is a deficient number, since it is larger than the sum of its proper divisors (895849211).

11208859909 is a wasteful number, since it uses less digits than its factorization.

11208859909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402099.

The product of its (nonzero) digits is 466560, while the sum is 52.

The spelling of 11208859909 in words is "eleven billion, two hundred eight million, eight hundred fifty-nine thousand, nine hundred nine".