1275035755313 has 2 divisors, whose sum is σ = 1275035755314. Its totient is φ = 1275035755312.

The previous prime is 1275035755309. The next prime is 1275035755327. The reversal of 1275035755313 is 3135575305721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831756768049 + 443278987264 = 912007^2 + 665792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1275035755313 - 2² = 1275035755309 is a prime.

It is not a weakly prime, because it can be changed into another prime (1275035715313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637517877656 + 637517877657.

It is an arithmetic number, because the mean of its divisors is an integer number (637517877657).

Almost surely, 2^{1275035755313} is an apocalyptic number.

It is an amenable number.

1275035755313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275035755313 is an equidigital number, since it uses as much as digits as its factorization.

1275035755313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653750, while the sum is 47.

The spelling of 1275035755313 in words is "one trillion, two hundred seventy-five billion, thirty-five million, seven hundred fifty-five thousand, three hundred thirteen".