171213061471156 has 24 divisors (see below), whose sum is σ = 303333817195584. Its totient is φ = 84546943944000.

The previous prime is 171213061471099. The next prime is 171213061471201. The reversal of 171213061471156 is 651174160312171.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84925360 + ... + 86918023.

It is an arithmetic number, because the mean of its divisors is an integer number (12638909049816).

Almost surely, 2^{171213061471156} is an apocalyptic number.

It is an amenable number.

171213061471156 is a deficient number, since it is larger than the sum of its proper divisors (132120755724428).

171213061471156 is a wasteful number, since it uses less digits than its factorization.

171213061471156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171846471 (or 171846469 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 171213061471156 in words is "one hundred seventy-one trillion, two hundred thirteen billion, sixty-one million, four hundred seventy-one thousand, one hundred fifty-six".