655015110123113 has 2 divisors, whose sum is σ = 655015110123114. Its totient is φ = 655015110123112.

The previous prime is 655015110123107. The next prime is 655015110123151. The reversal of 655015110123113 is 311321011510556.

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., 400265323983424 + 254749786139689 = 20006632^2 + 15960883^2 .

It is a cyclic number.

It is not a de Polignac number, because 655015110123113 - 2³² = 655010815155817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (655015110153113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327507555061556 + 327507555061557.

It is an arithmetic number, because the mean of its divisors is an integer number (327507555061557).

Almost surely, 2^{655015110123113} is an apocalyptic number.

It is an amenable number.

655015110123113 is a deficient number, since it is larger than the sum of its proper divisors (1).

655015110123113 is an equidigital number, since it uses as much as digits as its factorization.

655015110123113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 35.

Adding to 655015110123113 its reverse (311321011510556), we get a palindrome (966336121633669).

The spelling of 655015110123113 in words is "six hundred fifty-five trillion, fifteen billion, one hundred ten million, one hundred twenty-three thousand, one hundred thirteen".