171287320049080 has 64 divisors (see below), whose sum is σ = 390827974579200. Its totient is φ = 67549343944320.

The previous prime is 171287320049051. The next prime is 171287320049117. The reversal of 171287320049080 is 80940023782171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488995041 + ... + 489345199.

It is an arithmetic number, because the mean of its divisors is an integer number (6106687102800).

Almost surely, 2^{171287320049080} is an apocalyptic number.

171287320049080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171287320049080 is an abundant number, since it is smaller than the sum of its proper divisors (219540654530120).

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

171287320049080 is a wasteful number, since it uses less digits than its factorization.

171287320049080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522484 (or 522480 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 171287320049080 in words is "one hundred seventy-one trillion, two hundred eighty-seven billion, three hundred twenty million, forty-nine thousand, eighty".