11105010011 has 4 divisors (see below), whose sum is σ = 11758245912. Its totient is φ = 10451774112.

The previous prime is 11105009989. The next prime is 11105010019. The reversal of 11105010011 is 11001050111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11105010011 - 2⁶ = 11105009947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11105009974 and 11105010001.

It is not an unprimeable number, because it can be changed into a prime (11105010019) 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, 326617925 + ... + 326617958.

It is an arithmetic number, because the mean of its divisors is an integer number (2939561478).

Almost surely, 2^11105010011 is an apocalyptic number.

11105010011 is a deficient number, since it is larger than the sum of its proper divisors (653235901).

11105010011 is an equidigital number, since it uses as much as digits as its factorization.

11105010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653235900.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 11105010011 its reverse (11001050111), we get a palindrome (22106060122).

It can be divided in two parts, 111050100 and 11, that added together give a palindrome (111050111).

The spelling of 11105010011 in words is "eleven billion, one hundred five million, ten thousand, eleven".