501333116065 has 8 divisors (see below), whose sum is σ = 603771581160. Its totient is φ = 399618598272.

The previous prime is 501333116059. The next prime is 501333116071. The reversal of 501333116065 is 560611333105.

It is an interprime number because it is at equal distance from previous prime (501333116059) and next prime (501333116071).

It can be written as a sum of positive squares in 4 ways, for example, as 871666576 + 500461449489 = 29524^2 + 707433^2 .

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 501333116065 - 2¹⁵ = 501333083297 is a prime.

It is a super-2 number, since 2×501333116065² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501333116065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180985300 + ... + 180988069.

It is an arithmetic number, because the mean of its divisors is an integer number (75471447645).

Almost surely, 2^501333116065 is an apocalyptic number.

It is an amenable number.

501333116065 is a deficient number, since it is larger than the sum of its proper divisors (102438465095).

501333116065 is a wasteful number, since it uses less digits than its factorization.

501333116065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361973651.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 501333116065 in words is "five hundred one billion, three hundred thirty-three million, one hundred sixteen thousand, sixty-five".