171229520001 has 8 divisors (see below), whose sum is σ = 228365326944. Its totient is φ = 114123363200.

The previous prime is 171229519987. The next prime is 171229520027. The reversal of 171229520001 is 100025922171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171229520001 - 2²⁵ = 171195965569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171229520071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7399056 + ... + 7422161.

It is an arithmetic number, because the mean of its divisors is an integer number (28545665868).

Almost surely, 2^171229520001 is an apocalyptic number.

It is an amenable number.

171229520001 is a deficient number, since it is larger than the sum of its proper divisors (57135806943).

171229520001 is a wasteful number, since it uses less digits than its factorization.

171229520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14825071.

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 171229520001 in words is "one hundred seventy-one billion, two hundred twenty-nine million, five hundred twenty thousand, one".