65176534085485 has 4 divisors (see below), whose sum is σ = 78211840902588. Its totient is φ = 52141227268384.

The previous prime is 65176534085459. The next prime is 65176534085491. The reversal of 65176534085485 is 58458043567156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15765489654084 + 49411044431401 = 3970578^2 + 7029299^2 .

It is a cyclic number.

It is not a de Polignac number, because 65176534085485 - 2⁷ = 65176534085357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65176534085485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6517653408544 + ... + 6517653408553.

It is an arithmetic number, because the mean of its divisors is an integer number (19552960225647).

Almost surely, 2^{65176534085485} is an apocalyptic number.

It is an amenable number.

65176534085485 is a deficient number, since it is larger than the sum of its proper divisors (13035306817103).

65176534085485 is a wasteful number, since it uses less digits than its factorization.

65176534085485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13035306817102.

The product of its (nonzero) digits is 483840000, while the sum is 67.

The spelling of 65176534085485 in words is "sixty-five trillion, one hundred seventy-six billion, five hundred thirty-four million, eighty-five thousand, four hundred eighty-five".