501271155163 has 48 divisors (see below), whose sum is σ = 581629183200. Its totient is φ = 430215045120.

The previous prime is 501271155149. The next prime is 501271155179. The reversal of 501271155163 is 361551172105.

It is not a de Polignac number, because 501271155163 - 2⁵ = 501271155131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501271105163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53658873 + ... + 53668213.

It is an arithmetic number, because the mean of its divisors is an integer number (12117274650).

Almost surely, 2^501271155163 is an apocalyptic number.

501271155163 is a deficient number, since it is larger than the sum of its proper divisors (80358028037).

501271155163 is a wasteful number, since it uses less digits than its factorization.

501271155163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760 (or 9743 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 501271155163 in words is "five hundred one billion, two hundred seventy-one million, one hundred fifty-five thousand, one hundred sixty-three".