11305442105 has 8 divisors (see below), whose sum is σ = 13592573064. Its totient is φ = 9026992000.

The previous prime is 11305442081. The next prime is 11305442123. The reversal of 11305442105 is 50124450311.

It can be written as a sum of positive squares in 4 ways, for example, as 1473331456 + 9832110649 = 38384^2 + 99157^2 .

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

It is not a de Polignac number, because 11305442105 - 2²² = 11301247801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167346 + ... + 2172555.

It is an arithmetic number, because the mean of its divisors is an integer number (1699071633).

Almost surely, 2^11305442105 is an apocalyptic number.

It is an amenable number.

11305442105 is a deficient number, since it is larger than the sum of its proper divisors (2287130959).

11305442105 is an equidigital number, since it uses as much as digits as its factorization.

11305442105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340427.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11305442105 its reverse (50124450311), we get a palindrome (61429892416).

The spelling of 11305442105 in words is "eleven billion, three hundred five million, four hundred forty-two thousand, one hundred five".