1255260395387 has 2 divisors, whose sum is σ = 1255260395388. Its totient is φ = 1255260395386.

The previous prime is 1255260395377. The next prime is 1255260395437. The reversal of 1255260395387 is 7835930625521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255260395387 - 2⁴ = 1255260395371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255260395317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627630197693 + 627630197694.

It is an arithmetic number, because the mean of its divisors is an integer number (627630197694).

Almost surely, 2^{1255260395387} is an apocalyptic number.

1255260395387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255260395387 is an equidigital number, since it uses as much as digits as its factorization.

1255260395387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 1255260395387 in words is "one trillion, two hundred fifty-five billion, two hundred sixty million, three hundred ninety-five thousand, three hundred eighty-seven".