501717150021172 has 48 divisors (see below), whose sum is σ = 935924050969600. Its totient is φ = 234644859577440.

The previous prime is 501717150021127. The next prime is 501717150021281. The reversal of 501717150021172 is 271120051717105.

It is a super-2 number, since 2×501717150021172² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701648347 + ... + 702363037.

Almost surely, 2^{501717150021172} is an apocalyptic number.

It is an amenable number.

501717150021172 is a deficient number, since it is larger than the sum of its proper divisors (434206900948428).

501717150021172 is a wasteful number, since it uses less digits than its factorization.

501717150021172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831716 (or 831714 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 40.

The spelling of 501717150021172 in words is "five hundred one trillion, seven hundred seventeen billion, one hundred fifty million, twenty-one thousand, one hundred seventy-two".