171112408000517 has 4 divisors (see below), whose sum is σ = 171113685445440. Its totient is φ = 171111130555596.

The previous prime is 171112408000483. The next prime is 171112408000519. The reversal of 171112408000517 is 715000804211171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171112408000517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171112408000519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638521517 + ... + 638789442.

It is an arithmetic number, because the mean of its divisors is an integer number (42778421361360).

Almost surely, 2^{171112408000517} is an apocalyptic number.

It is an amenable number.

171112408000517 is a deficient number, since it is larger than the sum of its proper divisors (1277444923).

171112408000517 is a wasteful number, since it uses less digits than its factorization.

171112408000517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277444922.

The product of its (nonzero) digits is 15680, while the sum is 38.

The spelling of 171112408000517 in words is "one hundred seventy-one trillion, one hundred twelve billion, four hundred eight million, five hundred seventeen", and thus it is an aban number.