1814814685185 has 32 divisors (see below), whose sum is σ = 2923387552512. Its totient is φ = 961344833280.

The previous prime is 1814814685157. The next prime is 1814814685217. The reversal of 1814814685185 is 5815864184181.

It is not a de Polignac number, because 1814814685185 - 2²⁰ = 1814813636609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5677780 + ... + 5988890.

It is an arithmetic number, because the mean of its divisors is an integer number (91355861016).

Almost surely, 2^{1814814685185} is an apocalyptic number.

1814814685185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1814814685185 is a deficient number, since it is larger than the sum of its proper divisors (1108572867327).

1814814685185 is a wasteful number, since it uses less digits than its factorization.

1814814685185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313753.

The product of its digits is 9830400, while the sum is 60.

The spelling of 1814814685185 in words is "one trillion, eight hundred fourteen billion, eight hundred fourteen million, six hundred eighty-five thousand, one hundred eighty-five".