501665011241351 has 8 divisors (see below), whose sum is σ = 519554773407744. Its totient is φ = 484075917346840.

The previous prime is 501665011241279. The next prime is 501665011241389. The reversal of 501665011241351 is 153142110566105.

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

It is a cyclic number.

It is not a de Polignac number, because 501665011241351 - 2⁴² = 497266964730247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501665011241299 and 501665011241308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501665011241651) 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, 75167064575 + ... + 75167071248.

It is an arithmetic number, because the mean of its divisors is an integer number (64944346675968).

Almost surely, 2^{501665011241351} is an apocalyptic number.

501665011241351 is a deficient number, since it is larger than the sum of its proper divisors (17889762166393).

501665011241351 is a wasteful number, since it uses less digits than its factorization.

501665011241351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150334135941.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 501665011241351 in words is "five hundred one trillion, six hundred sixty-five billion, eleven million, two hundred forty-one thousand, three hundred fifty-one".