50865746896665 has 12 divisors (see below), whose sum is σ = 88167294620964. Its totient is φ = 27128398344864.

The previous prime is 50865746896609. The next prime is 50865746896673. The reversal of 50865746896665 is 56669864756805.

It can be written as a sum of positive squares in 2 ways, for example, as 32673159009936 + 18192587886729 = 5716044^2 + 4265277^2 .

It is not a de Polignac number, because 50865746896665 - 2¹¹ = 50865746894617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565174965474 + ... + 565174965563.

It is an arithmetic number, because the mean of its divisors is an integer number (7347274551747).

Almost surely, 2^{50865746896665} is an apocalyptic number.

It is an amenable number.

50865746896665 is a deficient number, since it is larger than the sum of its proper divisors (37301547724299).

50865746896665 is a wasteful number, since it uses less digits than its factorization.

50865746896665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130349931048 (or 1130349931045 counting only the distinct ones).

The product of its (nonzero) digits is 15676416000, while the sum is 81.

The spelling of 50865746896665 in words is "fifty trillion, eight hundred sixty-five billion, seven hundred forty-six million, eight hundred ninety-six thousand, six hundred sixty-five".