500111005001 has 8 divisors (see below), whose sum is σ = 517364344200. Its totient is φ = 482858208000.

The previous prime is 500111004989. The next prime is 500111005003. The reversal of 500111005001 is 100500111005.

It can be written as a sum of positive squares in 4 ways, for example, as 189888400 + 499921116601 = 13780^2 + 707051^2 .

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 500111005001 - 2²⁶ = 500043896137 is a prime.

It is a super-2 number, since 2×500111005001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (500111005003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873495 + ... + 3042563.

It is an arithmetic number, because the mean of its divisors is an integer number (64670543025).

Almost surely, 2^500111005001 is an apocalyptic number.

It is an amenable number.

500111005001 is a deficient number, since it is larger than the sum of its proper divisors (17253339199).

500111005001 is a wasteful number, since it uses less digits than its factorization.

500111005001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271099.

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 500111005001 its reverse (100500111005), we get a palindrome (600611116006).

The spelling of 500111005001 in words is "five hundred billion, one hundred eleven million, five thousand, one".