565156116550 has 48 divisors (see below), whose sum is σ = 1087793724960. Its totient is φ = 218195855360.

The previous prime is 565156116529. The next prime is 565156116563. The reversal of 565156116550 is 55611651565.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 565156116550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4486527 + ... + 4610773.

It is an arithmetic number, because the mean of its divisors is an integer number (22662369270).

Almost surely, 2^565156116550 is an apocalyptic number.

565156116550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

565156116550 is a deficient number, since it is larger than the sum of its proper divisors (522637608410).

565156116550 is a wasteful number, since it uses less digits than its factorization.

565156116550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127425 (or 127420 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 565156116550 in words is "five hundred sixty-five billion, one hundred fifty-six million, one hundred sixteen thousand, five hundred fifty".