1265102055727 has 2 divisors, whose sum is σ = 1265102055728. Its totient is φ = 1265102055726.

The previous prime is 1265102055653. The next prime is 1265102055733. The reversal of 1265102055727 is 7275502015621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1265102055727 - 2¹⁹ = 1265101531439 is a prime.

It is a super-2 number, since 2×1265102055727² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265102055797) 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, 632551027863 + 632551027864.

It is an arithmetic number, because the mean of its divisors is an integer number (632551027864).

Almost surely, 2^{1265102055727} is an apocalyptic number.

1265102055727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265102055727 is an equidigital number, since it uses as much as digits as its factorization.

1265102055727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 1265102055727 in words is "one trillion, two hundred sixty-five billion, one hundred two million, fifty-five thousand, seven hundred twenty-seven".