505535066651 has 8 divisors (see below), whose sum is σ = 518188240944. Its totient is φ = 492922644480.

The previous prime is 505535066623. The next prime is 505535066669. The reversal of 505535066651 is 156660535505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505535066651 - 2¹⁰ = 505535065627 is a prime.

It is a super-2 number, since 2×505535066651² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505535066596 and 505535066605.

It is not an unprimeable number, because it can be changed into a prime (505535066051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10162910 + ... + 10212531.

It is an arithmetic number, because the mean of its divisors is an integer number (64773530118).

Almost surely, 2^505535066651 is an apocalyptic number.

505535066651 is a deficient number, since it is larger than the sum of its proper divisors (12653174293).

505535066651 is a wasteful number, since it uses less digits than its factorization.

505535066651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20376061.

The product of its (nonzero) digits is 2025000, while the sum is 47.

The spelling of 505535066651 in words is "five hundred five billion, five hundred thirty-five million, sixty-six thousand, six hundred fifty-one".