501116500501 has 4 divisors (see below), whose sum is σ = 501145190892. Its totient is φ = 501087810112.

The previous prime is 501116500481. The next prime is 501116500513. The reversal of 501116500501 is 105005611105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131605700625 + 369510799876 = 362775^2 + 607874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501116500501 is a prime.

It is a super-2 number, since 2×501116500501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501116500301) 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 3 ways as a sum of consecutive naturals, for example, 14318980 + ... + 14353933.

It is an arithmetic number, because the mean of its divisors is an integer number (125286297723).

Almost surely, 2^501116500501 is an apocalyptic number.

It is an amenable number.

501116500501 is a deficient number, since it is larger than the sum of its proper divisors (28690391).

501116500501 is a wasteful number, since it uses less digits than its factorization.

501116500501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28690390.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 501116500501 in words is "five hundred one billion, one hundred sixteen million, five hundred thousand, five hundred one".