2081418182085 has 64 divisors (see below), whose sum is σ = 3692578046976. Its totient is φ = 992733196800.

The previous prime is 2081418182071. The next prime is 2081418182099. The reversal of 2081418182085 is 5802818141802.

It is an interprime number because it is at equal distance from previous prime (2081418182071) and next prime (2081418182099).

It is not a de Polignac number, because 2081418182085 - 2⁹ = 2081418181573 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 2864790 + ... + 3517080.

It is an arithmetic number, because the mean of its divisors is an integer number (57696531984).

Almost surely, 2^{2081418182085} is an apocalyptic number.

It is an amenable number.

2081418182085 is a deficient number, since it is larger than the sum of its proper divisors (1611159864891).

2081418182085 is a wasteful number, since it uses less digits than its factorization.

2081418182085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652626.

The product of its (nonzero) digits is 327680, while the sum is 48.

The spelling of 2081418182085 in words is "two trillion, eighty-one billion, four hundred eighteen million, one hundred eighty-two thousand, eighty-five".