2105502434055 has 96 divisors (see below), whose sum is σ = 3795813964800. Its totient is φ = 1078889220864.

The previous prime is 2105502434041. The next prime is 2105502434071. The reversal of 2105502434055 is 5504342055012.

2105502434055 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 5 + 0 + 243 + 405 + 5 = 666.

It is not a de Polignac number, because 2105502434055 - 2⁹ = 2105502433543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41095084 + ... + 41146286.

It is an arithmetic number, because the mean of its divisors is an integer number (39539728800).

Almost surely, 2^{2105502434055} is an apocalyptic number.

2105502434055 is a deficient number, since it is larger than the sum of its proper divisors (1690311530745).

2105502434055 is a wasteful number, since it uses less digits than its factorization.

2105502434055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51605 (or 51602 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 2105502434055 its reverse (5504342055012), we get a palindrome (7609844489067).

The spelling of 2105502434055 in words is "two trillion, one hundred five billion, five hundred two million, four hundred thirty-four thousand, fifty-five".