2168505000055 has 32 divisors (see below), whose sum is σ = 2691174689280. Its totient is φ = 1676322385920.

The previous prime is 2168505000041. The next prime is 2168505000113. The reversal of 2168505000055 is 5500005058612.

It is not a de Polignac number, because 2168505000055 - 2¹¹ = 2168504998007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2168504999978 and 2168505000023.

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 31 ways as a sum of consecutive naturals, for example, 33301909 + ... + 33366961.

It is an arithmetic number, because the mean of its divisors is an integer number (84099209040).

Almost surely, 2^{2168505000055} is an apocalyptic number.

2168505000055 is a deficient number, since it is larger than the sum of its proper divisors (522669689225).

2168505000055 is a wasteful number, since it uses less digits than its factorization.

2168505000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66651.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 2168505000055 in words is "two trillion, one hundred sixty-eight billion, five hundred five million, fifty-five", and thus it is an aban number.