2185203852055 has 16 divisors (see below), whose sum is σ = 3000973248000. Its totient is φ = 1496364373152.

The previous prime is 2185203852031. The next prime is 2185203852067. The reversal of 2185203852055 is 5502583025812.

It is a cyclic number.

It is not a de Polignac number, because 2185203852055 - 2⁵ = 2185203852023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2185203851996 and 2185203852014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42914305 + ... + 42965194.

It is an arithmetic number, because the mean of its divisors is an integer number (187560828000).

Almost surely, 2^{2185203852055} is an apocalyptic number.

2185203852055 is a deficient number, since it is larger than the sum of its proper divisors (815769395945).

2185203852055 is an equidigital number, since it uses as much as digits as its factorization.

2185203852055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85880238.

The product of its (nonzero) digits is 960000, while the sum is 46.

Adding to 2185203852055 its reverse (5502583025812), we get a palindrome (7687786877867).

The spelling of 2185203852055 in words is "two trillion, one hundred eighty-five billion, two hundred three million, eight hundred fifty-two thousand, fifty-five".