11105105506 has 8 divisors (see below), whose sum is σ = 18171990864. Its totient is φ = 5047775220.

The previous prime is 11105105497. The next prime is 11105105507. The reversal of 11105105506 is 60550150111.

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

It is not an unprimeable number, because it can be changed into a prime (11105105507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252388740 + ... + 252388783.

It is an arithmetic number, because the mean of its divisors is an integer number (2271498858).

Almost surely, 2^11105105506 is an apocalyptic number.

11105105506 is a deficient number, since it is larger than the sum of its proper divisors (7066885358).

11105105506 is a wasteful number, since it uses less digits than its factorization.

11105105506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504777536.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 11105105506 its reverse (60550150111), we get a palindrome (71655255617).

It can be divided in two parts, 11105 and 105506, that added together give a palindrome (116611).

The spelling of 11105105506 in words is "eleven billion, one hundred five million, one hundred five thousand, five hundred six".