11055506211 has 20 divisors (see below), whose sum is σ = 16517855200. Its totient is φ = 7369070256.

The previous prime is 11055506207. The next prime is 11055506261. The reversal of 11055506211 is 11260555011.

11055506211 is a `hidden beast` number, since 1 + 105 + 550 + 6 + 2 + 1 + 1 = 666.

11055506211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11055506211 - 2² = 11055506207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055506201) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 855345 + ... + 868173.

It is an arithmetic number, because the mean of its divisors is an integer number (825892760).

Almost surely, 2^11055506211 is an apocalyptic number.

11055506211 is a deficient number, since it is larger than the sum of its proper divisors (5462348989).

11055506211 is a wasteful number, since it uses less digits than its factorization.

11055506211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480 (or 23471 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The spelling of 11055506211 in words is "eleven billion, fifty-five million, five hundred six thousand, two hundred eleven".