50611665500565 has 16 divisors (see below), whose sum is σ = 87207792862848. Its totient is φ = 24916512246336.

The previous prime is 50611665500521. The next prime is 50611665500581. The reversal of 50611665500565 is 56500556611605.

It is not a de Polignac number, because 50611665500565 - 2⁸ = 50611665500309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129773501089 + ... + 129773501478.

It is an arithmetic number, because the mean of its divisors is an integer number (5450487053928).

Almost surely, 2^{50611665500565} is an apocalyptic number.

It is an amenable number.

50611665500565 is a deficient number, since it is larger than the sum of its proper divisors (36596127362283).

50611665500565 is a wasteful number, since it uses less digits than its factorization.

50611665500565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259547002588.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 50611665500565 in words is "fifty trillion, six hundred eleven billion, six hundred sixty-five million, five hundred thousand, five hundred sixty-five".