1271566007353 has 2 divisors, whose sum is σ = 1271566007354. Its totient is φ = 1271566007352.

The previous prime is 1271566007249. The next prime is 1271566007359. The reversal of 1271566007353 is 3537006651721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050518402704 + 221047604649 = 1024948^2 + 470157^2 .

It is an emirp because it is prime and its reverse (3537006651721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1271566007353 - 2¹³ = 1271565999161 is a prime.

It is a super-2 number, since 2×1271566007353² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1271566007359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635783003676 + 635783003677.

It is an arithmetic number, because the mean of its divisors is an integer number (635783003677).

Almost surely, 2^{1271566007353} is an apocalyptic number.

It is an amenable number.

1271566007353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271566007353 is an equidigital number, since it uses as much as digits as its factorization.

1271566007353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 1271566007353 in words is "one trillion, two hundred seventy-one billion, five hundred sixty-six million, seven thousand, three hundred fifty-three".