12755625191 has 2 divisors, whose sum is σ = 12755625192. Its totient is φ = 12755625190.

The previous prime is 12755625187. The next prime is 12755625217. The reversal of 12755625191 is 19152655721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12755625191 - 2² = 12755625187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12755625121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6377812595 + 6377812596.

It is an arithmetic number, because the mean of its divisors is an integer number (6377812596).

Almost surely, 2^12755625191 is an apocalyptic number.

12755625191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12755625191 is an equidigital number, since it uses as much as digits as its factorization.

12755625191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 44.

The spelling of 12755625191 in words is "twelve billion, seven hundred fifty-five million, six hundred twenty-five thousand, one hundred ninety-one".