125132518403 has 2 divisors, whose sum is σ = 125132518404. Its totient is φ = 125132518402.

The previous prime is 125132518387. The next prime is 125132518429. The reversal of 125132518403 is 304815231521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125132518403 - 2⁴ = 125132518387 is a prime.

It is not a weakly prime, because it can be changed into another prime (125132518493) 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, 62566259201 + 62566259202.

It is an arithmetic number, because the mean of its divisors is an integer number (62566259202).

Almost surely, 2^125132518403 is an apocalyptic number.

125132518403 is a deficient number, since it is larger than the sum of its proper divisors (1).

125132518403 is an equidigital number, since it uses as much as digits as its factorization.

125132518403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 125132518403 its reverse (304815231521), we get a palindrome (429947749924).

The spelling of 125132518403 in words is "one hundred twenty-five billion, one hundred thirty-two million, five hundred eighteen thousand, four hundred three".