125331131543419 has 2 divisors, whose sum is σ = 125331131543420. Its totient is φ = 125331131543418.

The previous prime is 125331131543377. The next prime is 125331131543441. The reversal of 125331131543419 is 914345131133521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125331131543419 - 2⁹ = 125331131542907 is a prime.

It is a super-2 number, since 2×125331131543419² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125331131543819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62665565771709 + 62665565771710.

It is an arithmetic number, because the mean of its divisors is an integer number (62665565771710).

Almost surely, 2^{125331131543419} is an apocalyptic number.

125331131543419 is a deficient number, since it is larger than the sum of its proper divisors (1).

125331131543419 is an equidigital number, since it uses as much as digits as its factorization.

125331131543419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 46.

The spelling of 125331131543419 in words is "one hundred twenty-five trillion, three hundred thirty-one billion, one hundred thirty-one million, five hundred forty-three thousand, four hundred nineteen".