500001105001 has 4 divisors (see below), whose sum is σ = 510639426432. Its totient is φ = 489362783572.

The previous prime is 500001104947. The next prime is 500001105007. The reversal of 500001105001 is 100501100005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 500001105001 - 2⁹ = 500001104489 is a prime.

It is a super-2 number, since 2×500001105001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500001105007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319160645 + ... + 5319160738.

It is an arithmetic number, because the mean of its divisors is an integer number (127659856608).

Almost surely, 2^500001105001 is an apocalyptic number.

It is an amenable number.

500001105001 is a deficient number, since it is larger than the sum of its proper divisors (10638321431).

500001105001 is a wasteful number, since it uses less digits than its factorization.

500001105001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10638321430.

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 500001105001 its reverse (100501100005), we get a palindrome (600502205006).

The spelling of 500001105001 in words is "five hundred billion, one million, one hundred five thousand, one".