506505516195 has 128 divisors (see below), whose sum is σ = 1003502960640. Its totient is φ = 213043944960.

The previous prime is 506505516173. The next prime is 506505516199. The reversal of 506505516195 is 591615505605.

It is a happy number.

It is not a de Polignac number, because 506505516195 - 2¹⁹ = 506504991907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506505516199) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18966142 + ... + 18992828.

It is an arithmetic number, because the mean of its divisors is an integer number (7839866880).

Almost surely, 2^506505516195 is an apocalyptic number.

506505516195 is a deficient number, since it is larger than the sum of its proper divisors (496997444445).

506505516195 is a wasteful number, since it uses less digits than its factorization.

506505516195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27025.

The product of its (nonzero) digits is 1012500, while the sum is 48.

The spelling of 506505516195 in words is "five hundred six billion, five hundred five million, five hundred sixteen thousand, one hundred ninety-five".