65868130205050 has 12 divisors (see below), whose sum is σ = 122514722181486. Its totient is φ = 26347252082000.

The previous prime is 65868130205039. The next prime is 65868130205063. The reversal of 65868130205050 is 5050203186856.

It can be written as a sum of positive squares in 3 ways, for example, as 60269308215561 + 5598821989489 = 7763331^2 + 2366183^2 .

It is a super-2 number, since 2×65868130205050² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65868130204985 and 65868130205003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658681302001 + ... + 658681302100.

Almost surely, 2^{65868130205050} is an apocalyptic number.

65868130205050 is a deficient number, since it is larger than the sum of its proper divisors (56646591976436).

65868130205050 is a wasteful number, since it uses less digits than its factorization.

65868130205050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317362604113 (or 1317362604108 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 65868130205050 in words is "sixty-five trillion, eight hundred sixty-eight billion, one hundred thirty million, two hundred five thousand, fifty".