171000014985 has 24 divisors (see below), whose sum is σ = 296493452424. Its totient is φ = 91171261440.

The previous prime is 171000014963. The next prime is 171000015019. The reversal of 171000014985 is 589410000171.

It can be written as a sum of positive squares in 4 ways, for example, as 12045501504 + 158954513481 = 109752^2 + 398691^2 .

It is not a de Polignac number, because 171000014985 - 2⁹ = 171000014473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454152 + ... + 740441.

It is an arithmetic number, because the mean of its divisors is an integer number (12353893851).

Almost surely, 2^171000014985 is an apocalyptic number.

171000014985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

171000014985 is a deficient number, since it is larger than the sum of its proper divisors (125493437439).

171000014985 is a wasteful number, since it uses less digits than its factorization.

171000014985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197785 (or 1197782 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 171000014985 in words is "one hundred seventy-one billion, fourteen thousand, nine hundred eighty-five".