500505101001 has 40 divisors (see below), whose sum is σ = 750417575424. Its totient is φ = 332445345120.

The previous prime is 500505100987. The next prime is 500505101087. The reversal of 500505101001 is 100101505005.

500505101001 is a `hidden beast` number, since 5 + 0 + 0 + 50 + 510 + 100 + 1 = 666.

It is not a de Polignac number, because 500505101001 - 2⁷ = 500505100873 is a prime.

It is a super-2 number, since 2×500505101001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (500505101101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24661080 + ... + 24681366.

Almost surely, 2^500505101001 is an apocalyptic number.

It is an amenable number.

500505101001 is a deficient number, since it is larger than the sum of its proper divisors (249912474423).

500505101001 is a wasteful number, since it uses less digits than its factorization.

500505101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21403 (or 21394 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 500505101001 its reverse (100101505005), we get a palindrome (600606606006).

The spelling of 500505101001 in words is "five hundred billion, five hundred five million, one hundred one thousand, one".