125331051523 has 2 divisors, whose sum is σ = 125331051524. Its totient is φ = 125331051522.

The previous prime is 125331051493. The next prime is 125331051539. The reversal of 125331051523 is 325150133521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125331051523 is a prime.

It is not a weakly prime, because it can be changed into another prime (125331051563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62665525761 + 62665525762.

It is an arithmetic number, because the mean of its divisors is an integer number (62665525762).

Almost surely, 2^125331051523 is an apocalyptic number.

125331051523 is a deficient number, since it is larger than the sum of its proper divisors (1).

125331051523 is an equidigital number, since it uses as much as digits as its factorization.

125331051523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 125331051523 in words is "one hundred twenty-five billion, three hundred thirty-one million, fifty-one thousand, five hundred twenty-three".