65570550006505 has 8 divisors (see below), whose sum is σ = 78841090746432. Its totient is φ = 52352152846128.

The previous prime is 65570550006463. The next prime is 65570550006517. The reversal of 65570550006505 is 50560005507556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65570550006505 - 2²⁷ = 65570415788777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13035892119 + ... + 13035897148.

It is an arithmetic number, because the mean of its divisors is an integer number (9855136343304).

Almost surely, 2^{65570550006505} is an apocalyptic number.

It is an amenable number.

65570550006505 is a deficient number, since it is larger than the sum of its proper divisors (13270540739927).

65570550006505 is a wasteful number, since it uses less digits than its factorization.

65570550006505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26071789775.

The product of its (nonzero) digits is 3937500, while the sum is 49.

The spelling of 65570550006505 in words is "sixty-five trillion, five hundred seventy billion, five hundred fifty million, six thousand, five hundred five".