64051140664511 has 16 divisors (see below), whose sum is σ = 85998734320128. Its totient is φ = 46070750527200.

The previous prime is 64051140664501. The next prime is 64051140664523. The reversal of 64051140664511 is 11546604115046.

It is not a de Polignac number, because 64051140664511 - 2¹⁰ = 64051140663487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64051140664501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31993575755 + ... + 31993577756.

It is an arithmetic number, because the mean of its divisors is an integer number (5374920895008).

Almost surely, 2^{64051140664511} is an apocalyptic number.

64051140664511 is a deficient number, since it is larger than the sum of its proper divisors (21947593655617).

64051140664511 is a wasteful number, since it uses less digits than its factorization.

64051140664511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63987153542.

The product of its (nonzero) digits is 345600, while the sum is 44.

Adding to 64051140664511 its reverse (11546604115046), we get a palindrome (75597744779557).

The spelling of 64051140664511 in words is "sixty-four trillion, fifty-one billion, one hundred forty million, six hundred sixty-four thousand, five hundred eleven".