11105506050605 has 4 divisors (see below), whose sum is σ = 13326607260732. Its totient is φ = 8884404840480.

The previous prime is 11105506050581. The next prime is 11105506050631. The reversal of 11105506050605 is 50605060550111.

11105506050605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1567408849444 + 9538097201161 = 1251962^2 + 3088381^2 .

It is not a de Polignac number, because 11105506050605 - 2²⁰ = 11105505002029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110550605056 + ... + 1110550605065.

It is an arithmetic number, because the mean of its divisors is an integer number (3331651815183).

Almost surely, 2^{11105506050605} is an apocalyptic number.

It is an amenable number.

11105506050605 is a deficient number, since it is larger than the sum of its proper divisors (2221101210127).

11105506050605 is an equidigital number, since it uses as much as digits as its factorization.

11105506050605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221101210126.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 11105506050605 in words is "eleven trillion, one hundred five billion, five hundred six million, fifty thousand, six hundred five".