171122296252 has 12 divisors (see below), whose sum is σ = 302114143296. Its totient is φ = 84803969600.

The previous prime is 171122296249. The next prime is 171122296253. The reversal of 171122296252 is 252692221171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171122296253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189294124 + ... + 189295027.

It is an arithmetic number, because the mean of its divisors is an integer number (25176178608).

Almost surely, 2^171122296252 is an apocalyptic number.

It is an amenable number.

171122296252 is a deficient number, since it is larger than the sum of its proper divisors (130991847044).

171122296252 is a wasteful number, since it uses less digits than its factorization.

171122296252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378589268 (or 378589266 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The spelling of 171122296252 in words is "one hundred seventy-one billion, one hundred twenty-two million, two hundred ninety-six thousand, two hundred fifty-two".