11105105211 has 64 divisors (see below), whose sum is σ = 17824924800. Its totient is φ = 6807011328.

The previous prime is 11105105201. The next prime is 11105105239. The reversal of 11105105211 is 11250150111.

It is not a de Polignac number, because 11105105211 - 2⁶ = 11105105147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11105105201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6543115 + ... + 6544811.

It is an arithmetic number, because the mean of its divisors is an integer number (278514450).

Almost surely, 2^11105105211 is an apocalyptic number.

11105105211 is a deficient number, since it is larger than the sum of its proper divisors (6719819589).

11105105211 is a wasteful number, since it uses less digits than its factorization.

11105105211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

Adding to 11105105211 its reverse (11250150111), we get a palindrome (22355255322).

The spelling of 11105105211 in words is "eleven billion, one hundred five million, one hundred five thousand, two hundred eleven".