500605561111 has 4 divisors (see below), whose sum is σ = 500729202000. Its totient is φ = 500481920224.

The previous prime is 500605561067. The next prime is 500605561189. The reversal of 500605561111 is 111165506005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500605561111 is a prime.

It is a super-3 number, since 3×500605561111³ (a number of 36 digits) contains 333 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 (500605961111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61814371 + ... + 61822468.

It is an arithmetic number, because the mean of its divisors is an integer number (125182300500).

Almost surely, 2^500605561111 is an apocalyptic number.

500605561111 is a deficient number, since it is larger than the sum of its proper divisors (123640889).

500605561111 is a wasteful number, since it uses less digits than its factorization.

500605561111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123640888.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 500605561111 in words is "five hundred billion, six hundred five million, five hundred sixty-one thousand, one hundred eleven".