1263365160017 has 2 divisors, whose sum is σ = 1263365160018. Its totient is φ = 1263365160016.

The previous prime is 1263365159993. The next prime is 1263365160047. The reversal of 1263365160017 is 7100615633621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909049740481 + 354315419536 = 953441^2 + 595244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1263365160017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1263365160047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631682580008 + 631682580009.

It is an arithmetic number, because the mean of its divisors is an integer number (631682580009).

Almost surely, 2^{1263365160017} is an apocalyptic number.

It is an amenable number.

1263365160017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263365160017 is an equidigital number, since it uses as much as digits as its factorization.

1263365160017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 1263365160017 in words is "one trillion, two hundred sixty-three billion, three hundred sixty-five million, one hundred sixty thousand, seventeen".