1817385000085 has 16 divisors (see below), whose sum is σ = 2343612902976. Its totient is φ = 1347960354048.

The previous prime is 1817385000047. The next prime is 1817385000107. The reversal of 1817385000085 is 5800005837181.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1817385000085 - 2¹³ = 1817384991893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1817384999999 and 1817385000044.

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, 159554007 + ... + 159565396.

It is an arithmetic number, because the mean of its divisors is an integer number (146475806436).

Almost surely, 2^{1817385000085} is an apocalyptic number.

It is an amenable number.

1817385000085 is a deficient number, since it is larger than the sum of its proper divisors (526227902891).

1817385000085 is a wasteful number, since it uses less digits than its factorization.

1817385000085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319119492.

The product of its (nonzero) digits is 268800, while the sum is 46.

The spelling of 1817385000085 in words is "one trillion, eight hundred seventeen billion, three hundred eighty-five million, eighty-five", and thus it is an aban number.