125252431315 has 16 divisors (see below), whose sum is σ = 163983522816. Its totient is φ = 91083397600.

The previous prime is 125252431273. The next prime is 125252431327. The reversal of 125252431315 is 513134252521.

It is not a de Polignac number, because 125252431315 - 2¹³ = 125252423123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 454044 + ... + 675766.

It is an arithmetic number, because the mean of its divisors is an integer number (10248970176).

Almost surely, 2^125252431315 is an apocalyptic number.

125252431315 is a deficient number, since it is larger than the sum of its proper divisors (38731091501).

125252431315 is a wasteful number, since it uses less digits than its factorization.

125252431315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232010.

The product of its digits is 36000, while the sum is 34.

Adding to 125252431315 its reverse (513134252521), we get a palindrome (638386683836).

The spelling of 125252431315 in words is "one hundred twenty-five billion, two hundred fifty-two million, four hundred thirty-one thousand, three hundred fifteen".