505120715671 has 8 divisors (see below), whose sum is σ = 593428533264. Its totient is φ = 423877523520.

The previous prime is 505120715663. The next prime is 505120715767. The reversal of 505120715671 is 176517021505.

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

It is not a de Polignac number, because 505120715671 - 2³ = 505120715663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505120715971) 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, 1766156206 + ... + 1766156491.

It is an arithmetic number, because the mean of its divisors is an integer number (74178566658).

Almost surely, 2^505120715671 is an apocalyptic number.

505120715671 is a deficient number, since it is larger than the sum of its proper divisors (88307817593).

505120715671 is a wasteful number, since it uses less digits than its factorization.

505120715671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532312721.

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 505120715671 in words is "five hundred five billion, one hundred twenty million, seven hundred fifteen thousand, six hundred seventy-one".