64118113 has 2 divisors, whose sum is σ = 64118114. Its totient is φ = 64118112.

The previous prime is 64118111. The next prime is 64118123. The reversal of 64118113 is 31181146.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39287824 + 24830289 = 6268^2 + 4983^2 .

It is a cyclic number.

It is not a de Polignac number, because 64118113 - 2¹ = 64118111 is a prime.

It is a super-2 number, since 2×64118113² = 8222264829361538, which contains 22 as substring.

Together with 64118111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64118111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32059056 + 32059057.

It is an arithmetic number, because the mean of its divisors is an integer number (32059057).

Almost surely, 2^64118113 is an apocalyptic number.

It is an amenable number.

64118113 is a deficient number, since it is larger than the sum of its proper divisors (1).

64118113 is an equidigital number, since it uses as much as digits as its factorization.

64118113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

The square root of 64118113 is about 8007.3786597113. The cubic root of 64118113 is about 400.2459175304.

Adding to 64118113 its reverse (31181146), we get a palindrome (95299259).

The spelling of 64118113 in words is "sixty-four million, one hundred eighteen thousand, one hundred thirteen".