65712375126665 has 16 divisors (see below), whose sum is σ = 81983902464000. Its totient is φ = 50502083873472.

The previous prime is 65712375126631. The next prime is 65712375126679. The reversal of 65712375126665 is 56662157321756.

It is a cyclic number.

It is not a de Polignac number, because 65712375126665 - 2¹⁴ = 65712375110281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65712375126598 and 65712375126607.

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, 1138636457 + ... + 1138694166.

It is an arithmetic number, because the mean of its divisors is an integer number (5123993904000).

Almost surely, 2^{65712375126665} is an apocalyptic number.

It is an amenable number.

65712375126665 is a deficient number, since it is larger than the sum of its proper divisors (16271527337335).

65712375126665 is a wasteful number, since it uses less digits than its factorization.

65712375126665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277330856.

The product of its digits is 95256000, while the sum is 62.

The spelling of 65712375126665 in words is "sixty-five trillion, seven hundred twelve billion, three hundred seventy-five million, one hundred twenty-six thousand, six hundred sixty-five".