64520301113 has 2 divisors, whose sum is σ = 64520301114. Its totient is φ = 64520301112.

The previous prime is 64520301091. The next prime is 64520301119. The reversal of 64520301113 is 31110302546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61542197929 + 2978103184 = 248077^2 + 54572^2 .

It is a cyclic number.

It is not a de Polignac number, because 64520301113 - 2⁸ = 64520300857 is a prime.

It is not a weakly prime, because it can be changed into another prime (64520301119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32260150556 + 32260150557.

It is an arithmetic number, because the mean of its divisors is an integer number (32260150557).

Almost surely, 2^64520301113 is an apocalyptic number.

It is an amenable number.

64520301113 is a deficient number, since it is larger than the sum of its proper divisors (1).

64520301113 is an equidigital number, since it uses as much as digits as its factorization.

64520301113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 64520301113 its reverse (31110302546), we get a palindrome (95630603659).

The spelling of 64520301113 in words is "sixty-four billion, five hundred twenty million, three hundred one thousand, one hundred thirteen".