1276253140411 has 2 divisors, whose sum is σ = 1276253140412. Its totient is φ = 1276253140410.

The previous prime is 1276253140387. The next prime is 1276253140451. The reversal of 1276253140411 is 1140413526721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1276253140411 - 2¹⁵ = 1276253107643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1276253140451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638126570205 + 638126570206.

It is an arithmetic number, because the mean of its divisors is an integer number (638126570206).

Almost surely, 2^{1276253140411} is an apocalyptic number.

1276253140411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276253140411 is an equidigital number, since it uses as much as digits as its factorization.

1276253140411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 1276253140411 in words is "one trillion, two hundred seventy-six billion, two hundred fifty-three million, one hundred forty thousand, four hundred eleven".