113505143201617 has 2 divisors, whose sum is σ = 113505143201618. Its totient is φ = 113505143201616.

The previous prime is 113505143201603. The next prime is 113505143201689. The reversal of 113505143201617 is 716102341505311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110046729779856 + 3458413421761 = 10490316^2 + 1859681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113505143201617 is a prime.

It is a super-2 number, since 2×113505143201617² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113505143201617.

It is not a weakly prime, because it can be changed into another prime (113505143208617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56752571600808 + 56752571600809.

It is an arithmetic number, because the mean of its divisors is an integer number (56752571600809).

Almost surely, 2^{113505143201617} is an apocalyptic number.

It is an amenable number.

113505143201617 is a deficient number, since it is larger than the sum of its proper divisors (1).

113505143201617 is an equidigital number, since it uses as much as digits as its factorization.

113505143201617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

Adding to 113505143201617 its reverse (716102341505311), we get a palindrome (829607484706928).

The spelling of 113505143201617 in words is "one hundred thirteen trillion, five hundred five billion, one hundred forty-three million, two hundred one thousand, six hundred seventeen".