10203129118717 has 2 divisors, whose sum is σ = 10203129118718. Its totient is φ = 10203129118716.

The previous prime is 10203129118711. The next prime is 10203129118739. The reversal of 10203129118717 is 71781192130201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8404282172196 + 1798846946521 = 2899014^2 + 1341211^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203129118717 - 2³ = 10203129118709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10203129118711) 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, 5101564559358 + 5101564559359.

It is an arithmetic number, because the mean of its divisors is an integer number (5101564559359).

Almost surely, 2^{10203129118717} is an apocalyptic number.

It is an amenable number.

10203129118717 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203129118717 is an equidigital number, since it uses as much as digits as its factorization.

10203129118717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 43.

The spelling of 10203129118717 in words is "ten trillion, two hundred three billion, one hundred twenty-nine million, one hundred eighteen thousand, seven hundred seventeen".