64522357768211 has 32 divisors (see below), whose sum is σ = 76528232403840. Its totient is φ = 53225886099456.

The previous prime is 64522357768159. The next prime is 64522357768217. The reversal of 64522357768211 is 11286775322546.

It is a de Polignac number, because none of the positive numbers 2^k-64522357768211 is a prime.

It is a super-3 number, since 3×64522357768211³ (a number of 42 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (64522357768217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1564802651 + ... + 1564843883.

It is an arithmetic number, because the mean of its divisors is an integer number (2391507262620).

Almost surely, 2^{64522357768211} is an apocalyptic number.

64522357768211 is a deficient number, since it is larger than the sum of its proper divisors (12005874635629).

64522357768211 is a wasteful number, since it uses less digits than its factorization.

64522357768211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65903.

The product of its digits is 33868800, while the sum is 59.

The spelling of 64522357768211 in words is "sixty-four trillion, five hundred twenty-two billion, three hundred fifty-seven million, seven hundred sixty-eight thousand, two hundred eleven".