506001165011 has 4 divisors (see below), whose sum is σ = 506005952832. Its totient is φ = 505996377192.

The previous prime is 506001164909. The next prime is 506001165017. The reversal of 506001165011 is 110561100605.

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

It is a cyclic number.

It is not a de Polignac number, because 506001165011 - 2²² = 505996970707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506001165017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231720 + ... + 2447973.

It is an arithmetic number, because the mean of its divisors is an integer number (126501488208).

Almost surely, 2^506001165011 is an apocalyptic number.

506001165011 is a deficient number, since it is larger than the sum of its proper divisors (4787821).

506001165011 is a wasteful number, since it uses less digits than its factorization.

506001165011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787820.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 506001165011 its reverse (110561100605), we get a palindrome (616562265616).

The spelling of 506001165011 in words is "five hundred six billion, one million, one hundred sixty-five thousand, eleven".