65273566537256 has 64 divisors (see below), whose sum is σ = 152775706728960. Its totient is φ = 25399901592000.

The previous prime is 65273566537247. The next prime is 65273566537297.

It is a happy number.

65273566537256 is nontrivially palindromic in base 10.

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, 64829390 + ... + 65828541.

It is an arithmetic number, because the mean of its divisors is an integer number (2387120417640).

Almost surely, 2^{65273566537256} is an apocalyptic number.

It is an amenable number.

65273566537256 is an abundant number, since it is smaller than the sum of its proper divisors (87502140191704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65273566537256 is a wasteful number, since it uses less digits than its factorization.

65273566537256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130658766 (or 130658762 counting only the distinct ones).

The product of its digits is 1428840000, while the sum is 68.

The spelling of 65273566537256 in words is "sixty-five trillion, two hundred seventy-three billion, five hundred sixty-six million, five hundred thirty-seven thousand, two hundred fifty-six".