505000505011 has 2 divisors, whose sum is σ = 505000505012. Its totient is φ = 505000505010.

The previous prime is 505000504991. The next prime is 505000505021. The reversal of 505000505011 is 110505000505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505000505011 - 2⁵ = 505000504979 is a prime.

It is a super-2 number, since 2×505000505011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505000505021) 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 as a sum of consecutive naturals, namely, 252500252505 + 252500252506.

It is an arithmetic number, because the mean of its divisors is an integer number (252500252506).

Almost surely, 2^505000505011 is an apocalyptic number.

505000505011 is a deficient number, since it is larger than the sum of its proper divisors (1).

505000505011 is an equidigital number, since it uses as much as digits as its factorization.

505000505011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 625, while the sum is 22.

Adding to 505000505011 its reverse (110505000505), we get a palindrome (615505505516).

The spelling of 505000505011 in words is "five hundred five billion, five hundred five thousand, eleven".