64543145011 has 2 divisors, whose sum is σ = 64543145012. Its totient is φ = 64543145010.

The previous prime is 64543144997. The next prime is 64543145021. The reversal of 64543145011 is 11054134546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64543145011 - 2⁹ = 64543144499 is a prime.

It is not a weakly prime, because it can be changed into another prime (64543145021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32271572505 + 32271572506.

It is an arithmetic number, because the mean of its divisors is an integer number (32271572506).

Almost surely, 2^64543145011 is an apocalyptic number.

64543145011 is a deficient number, since it is larger than the sum of its proper divisors (1).

64543145011 is an equidigital number, since it uses as much as digits as its factorization.

64543145011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 64543145011 its reverse (11054134546), we get a palindrome (75597279557).

The spelling of 64543145011 in words is "sixty-four billion, five hundred forty-three million, one hundred forty-five thousand, eleven".