505605615106 has 4 divisors (see below), whose sum is σ = 758408422662. Its totient is φ = 252802807552.

The previous prime is 505605615103. The next prime is 505605615149. The reversal of 505605615106 is 601516506505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 497130755625 + 8474859481 = 705075^2 + 92059^2 .

It is not an unprimeable number, because it can be changed into a prime (505605615103) 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, 126401403775 + ... + 126401403778.

Almost surely, 2^505605615106 is an apocalyptic number.

505605615106 is a deficient number, since it is larger than the sum of its proper divisors (252802807556).

505605615106 is a wasteful number, since it uses less digits than its factorization.

505605615106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252802807555.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 505605615106 in words is "five hundred five billion, six hundred five million, six hundred fifteen thousand, one hundred six".