506005010111 has 2 divisors, whose sum is σ = 506005010112. Its totient is φ = 506005010110.

The previous prime is 506005010101. The next prime is 506005010131. The reversal of 506005010111 is 111010500605.

It is an a-pointer prime, because the next prime (506005010131) can be obtained adding 506005010111 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506005010111 - 2¹⁰ = 506005009087 is a prime.

It is a super-3 number, since 3×506005010111³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506005010101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253002505055 + 253002505056.

It is an arithmetic number, because the mean of its divisors is an integer number (253002505056).

Almost surely, 2^506005010111 is an apocalyptic number.

506005010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

506005010111 is an equidigital number, since it uses as much as digits as its factorization.

506005010111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 506005010111 its reverse (111010500605), we get a palindrome (617015510716).

The spelling of 506005010111 in words is "five hundred six billion, five million, ten thousand, one hundred eleven".