12555956627 has 2 divisors, whose sum is σ = 12555956628. Its totient is φ = 12555956626.

The previous prime is 12555956489. The next prime is 12555956639. The reversal of 12555956627 is 72665955521.

12555956627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12555956627 - 2¹⁶ = 12555891091 is a prime.

It is not a weakly prime, because it can be changed into another prime (12555956687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277978313 + 6277978314.

It is an arithmetic number, because the mean of its divisors is an integer number (6277978314).

Almost surely, 2^12555956627 is an apocalyptic number.

12555956627 is a deficient number, since it is larger than the sum of its proper divisors (1).

12555956627 is an equidigital number, since it uses as much as digits as its factorization.

12555956627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670000, while the sum is 53.

The spelling of 12555956627 in words is "twelve billion, five hundred fifty-five million, nine hundred fifty-six thousand, six hundred twenty-seven".