65211015452227 has 4 divisors (see below), whose sum is σ = 65340659618640. Its totient is φ = 65081371285816.

The previous prime is 65211015452207. The next prime is 65211015452243. The reversal of 65211015452227 is 72225451011256.

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

It is a cyclic number.

It is not a de Polignac number, because 65211015452227 - 2²³ = 65211007063619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65211015452207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64822082452 + ... + 64822083457.

It is an arithmetic number, because the mean of its divisors is an integer number (16335164904660).

Almost surely, 2^{65211015452227} is an apocalyptic number.

65211015452227 is a deficient number, since it is larger than the sum of its proper divisors (129644166413).

65211015452227 is a wasteful number, since it uses less digits than its factorization.

65211015452227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129644166412.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 65211015452227 in words is "sixty-five trillion, two hundred eleven billion, fifteen million, four hundred fifty-two thousand, two hundred twenty-seven".