11106538805 has 4 divisors (see below), whose sum is σ = 13327846572. Its totient is φ = 8885231040.

The previous prime is 11106538801. The next prime is 11106538811. The reversal of 11106538805 is 50883560111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6212277124 + 4894261681 = 78818^2 + 69959^2 .

It is not a de Polignac number, because 11106538805 - 2² = 11106538801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11106538801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110653876 + ... + 1110653885.

It is an arithmetic number, because the mean of its divisors is an integer number (3331961643).

Almost surely, 2^11106538805 is an apocalyptic number.

It is an amenable number.

11106538805 is a deficient number, since it is larger than the sum of its proper divisors (2221307767).

11106538805 is an equidigital number, since it uses as much as digits as its factorization.

11106538805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221307766.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 11106538805 in words is "eleven billion, one hundred six million, five hundred thirty-eight thousand, eight hundred five".