501712135161 has 8 divisors (see below), whose sum is σ = 679915899264. Its totient is φ = 328991563920.

The previous prime is 501712135157. The next prime is 501712135181. The reversal of 501712135161 is 161531217105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 501712135161 - 2² = 501712135157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501712135181) 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 7 ways as a sum of consecutive naturals, for example, 1370798001 + ... + 1370798366.

It is an arithmetic number, because the mean of its divisors is an integer number (84989487408).

Almost surely, 2^501712135161 is an apocalyptic number.

It is an amenable number.

501712135161 is a deficient number, since it is larger than the sum of its proper divisors (178203764103).

501712135161 is a wasteful number, since it uses less digits than its factorization.

501712135161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741596431.

The product of its (nonzero) digits is 6300, while the sum is 33.

The spelling of 501712135161 in words is "five hundred one billion, seven hundred twelve million, one hundred thirty-five thousand, one hundred sixty-one".