2105213163055 has 16 divisors (see below), whose sum is σ = 2675220809184. Its totient is φ = 1584887316480.

The previous prime is 2105213162971. The next prime is 2105213163061. The reversal of 2105213163055 is 5503613125012.

It is not a de Polignac number, because 2105213163055 - 2⁹ = 2105213162543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105213163055.

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 15 ways as a sum of consecutive naturals, for example, 1041042 + ... + 2300911.

It is an arithmetic number, because the mean of its divisors is an integer number (167201300574).

Almost surely, 2^{2105213163055} is an apocalyptic number.

2105213163055 is a deficient number, since it is larger than the sum of its proper divisors (570007646129).

2105213163055 is a wasteful number, since it uses less digits than its factorization.

2105213163055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349386.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 2105213163055 its reverse (5503613125012), we get a palindrome (7608826288067).

The spelling of 2105213163055 in words is "two trillion, one hundred five billion, two hundred thirteen million, one hundred sixty-three thousand, fifty-five".