65211355311256 has 48 divisors (see below), whose sum is σ = 155164310189640. Its totient is φ = 25407021548160.

The previous prime is 65211355311097. The next prime is 65211355311281.

65211355311256 is nontrivially palindromic in base 10.

65211355311256 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65211355311256² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7561609245 + ... + 7561617868.

Almost surely, 2^{65211355311256} is an apocalyptic number.

It is an amenable number.

65211355311256 is an abundant number, since it is smaller than the sum of its proper divisors (89952954878384).

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

65211355311256 is a wasteful number, since it uses less digits than its factorization.

65211355311256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15123227144 (or 15123227133 counting only the distinct ones).

The product of its digits is 810000, while the sum is 46.

The spelling of 65211355311256 in words is "sixty-five trillion, two hundred eleven billion, three hundred fifty-five million, three hundred eleven thousand, two hundred fifty-six".