1306261970801 has 2 divisors, whose sum is σ = 1306261970802. Its totient is φ = 1306261970800.

The previous prime is 1306261970791. The next prime is 1306261970833. The reversal of 1306261970801 is 1080791626031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1235207737201 + 71054233600 = 1111399^2 + 266560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306261970801 - 2²² = 1306257776497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1306261979801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653130985400 + 653130985401.

It is an arithmetic number, because the mean of its divisors is an integer number (653130985401).

Almost surely, 2^{1306261970801} is an apocalyptic number.

It is an amenable number.

1306261970801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306261970801 is an equidigital number, since it uses as much as digits as its factorization.

1306261970801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 1306261970801 in words is "one trillion, three hundred six billion, two hundred sixty-one million, nine hundred seventy thousand, eight hundred one".