2105506055005 has 8 divisors (see below), whose sum is σ = 2568027057624. Its totient is φ = 1656791649600.

The previous prime is 2105506054957. The next prime is 2105506055017. The reversal of 2105506055005 is 5005506055012.

It can be written as a sum of positive squares in 4 ways, for example, as 139055155801 + 1966450899204 = 372901^2 + 1402302^2 .

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

It is not a de Polignac number, because 2105506055005 - 2¹¹ = 2105506052957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3451648966 + ... + 3451649575.

It is an arithmetic number, because the mean of its divisors is an integer number (321003382203).

Almost surely, 2^{2105506055005} is an apocalyptic number.

It is an amenable number.

2105506055005 is a deficient number, since it is larger than the sum of its proper divisors (462521002619).

2105506055005 is an equidigital number, since it uses as much as digits as its factorization.

2105506055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903298607.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 2105506055005 in words is "two trillion, one hundred five billion, five hundred six million, fifty-five thousand, five".