505871696506 has 32 divisors (see below), whose sum is σ = 877226500800. Its totient is φ = 216232262400.

The previous prime is 505871696479. The next prime is 505871696521. The reversal of 505871696506 is 605696178505.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 130956 + ... + 1014343.

It is an arithmetic number, because the mean of its divisors is an integer number (27413328150).

Almost surely, 2^505871696506 is an apocalyptic number.

505871696506 is a deficient number, since it is larger than the sum of its proper divisors (371354804294).

505871696506 is a wasteful number, since it uses less digits than its factorization.

505871696506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146510.

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 505871696506 in words is "five hundred five billion, eight hundred seventy-one million, six hundred ninety-six thousand, five hundred six".