125331565027 has 2 divisors, whose sum is σ = 125331565028. Its totient is φ = 125331565026.

The previous prime is 125331565013. The next prime is 125331565031. The reversal of 125331565027 is 720565133521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125331565027 - 2¹⁵ = 125331532259 is a prime.

It is not a weakly prime, because it can be changed into another prime (125331565087) 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, 62665782513 + 62665782514.

It is an arithmetic number, because the mean of its divisors is an integer number (62665782514).

Almost surely, 2^125331565027 is an apocalyptic number.

125331565027 is a deficient number, since it is larger than the sum of its proper divisors (1).

125331565027 is an equidigital number, since it uses as much as digits as its factorization.

125331565027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 40.

Adding to 125331565027 its reverse (720565133521), we get a palindrome (845896698548).

The spelling of 125331565027 in words is "one hundred twenty-five billion, three hundred thirty-one million, five hundred sixty-five thousand, twenty-seven".