11047218205 has 32 divisors (see below), whose sum is σ = 15042703104. Its totient is φ = 7741172736.

The previous prime is 11047218191. The next prime is 11047218223. The reversal of 11047218205 is 50281274011.

11047218205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11047218205 - 2¹¹ = 11047216157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4027 + ... + 148696.

It is an arithmetic number, because the mean of its divisors is an integer number (470084472).

Almost surely, 2^11047218205 is an apocalyptic number.

It is an amenable number.

11047218205 is a deficient number, since it is larger than the sum of its proper divisors (3995484899).

11047218205 is a wasteful number, since it uses less digits than its factorization.

11047218205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152805.

The product of its (nonzero) digits is 4480, while the sum is 31.

The spelling of 11047218205 in words is "eleven billion, forty-seven million, two hundred eighteen thousand, two hundred five".