1255427514443 has 2 divisors, whose sum is σ = 1255427514444. Its totient is φ = 1255427514442.

The previous prime is 1255427514421. The next prime is 1255427514493. The reversal of 1255427514443 is 3444157245521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255427514443 - 2¹² = 1255427510347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255427514493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627713757221 + 627713757222.

It is an arithmetic number, because the mean of its divisors is an integer number (627713757222).

Almost surely, 2^{1255427514443} is an apocalyptic number.

1255427514443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255427514443 is an equidigital number, since it uses as much as digits as its factorization.

1255427514443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688000, while the sum is 47.

The spelling of 1255427514443 in words is "one trillion, two hundred fifty-five billion, four hundred twenty-seven million, five hundred fourteen thousand, four hundred forty-three".