113144561317 has 2 divisors, whose sum is σ = 113144561318. Its totient is φ = 113144561316.

The previous prime is 113144561303. The next prime is 113144561339. The reversal of 113144561317 is 713165441311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104759679556 + 8384881761 = 323666^2 + 91569^2 .

It is a cyclic number.

It is not a de Polignac number, because 113144561317 - 2³¹ = 110997077669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113144564317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56572280658 + 56572280659.

It is an arithmetic number, because the mean of its divisors is an integer number (56572280659).

Almost surely, 2^113144561317 is an apocalyptic number.

It is an amenable number.

113144561317 is a deficient number, since it is larger than the sum of its proper divisors (1).

113144561317 is an equidigital number, since it uses as much as digits as its factorization.

113144561317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The spelling of 113144561317 in words is "one hundred thirteen billion, one hundred forty-four million, five hundred sixty-one thousand, three hundred seventeen".