505535066011 has 4 divisors (see below), whose sum is σ = 510443173552. Its totient is φ = 500626958472.

The previous prime is 505535065999. The next prime is 505535066021. The reversal of 505535066011 is 110660535505.

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 505535066011 - 2⁷ = 505535065883 is a prime.

It is a super-2 number, since 2×505535066011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505535066021) 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, 2454053616 + ... + 2454053821.

It is an arithmetic number, because the mean of its divisors is an integer number (127610793388).

Almost surely, 2^505535066011 is an apocalyptic number.

505535066011 is a deficient number, since it is larger than the sum of its proper divisors (4908107541).

505535066011 is a wasteful number, since it uses less digits than its factorization.

505535066011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908107540.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 505535066011 in words is "five hundred five billion, five hundred thirty-five million, sixty-six thousand, eleven".