505147105686 has 16 divisors (see below), whose sum is σ = 1037599460784. Its totient is φ = 163831493664.

The previous prime is 505147105663. The next prime is 505147105691. The reversal of 505147105686 is 686501741505.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137718485 + ... + 1137718928.

It is an arithmetic number, because the mean of its divisors is an integer number (64849966299).

Almost surely, 2^505147105686 is an apocalyptic number.

505147105686 is an abundant number, since it is smaller than the sum of its proper divisors (532452355098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505147105686 is a wasteful number, since it uses less digits than its factorization.

505147105686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275437455.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 505147105686 in words is "five hundred five billion, one hundred forty-seven million, one hundred five thousand, six hundred eighty-six".