171121500616152 has 16 divisors (see below), whose sum is σ = 427803751540440. Its totient is φ = 57040500205376.

The previous prime is 171121500616133. The next prime is 171121500616181. The reversal of 171121500616152 is 251616005121171.

It is a self number, because there is not a number n which added to its sum of digits gives 171121500616152.

It is a congruent number.

It is an unprimeable number.

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, 3565031262813 + ... + 3565031262860.

Almost surely, 2^{171121500616152} is an apocalyptic number.

171121500616152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171121500616152 is an abundant number, since it is smaller than the sum of its proper divisors (256682250924288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171121500616152 is a wasteful number, since it uses less digits than its factorization.

171121500616152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130062525682 (or 7130062525678 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 171121500616152 in words is "one hundred seventy-one trillion, one hundred twenty-one billion, five hundred million, six hundred sixteen thousand, one hundred fifty-two".