125232512305 has 16 divisors (see below), whose sum is σ = 152757682704. Its totient is φ = 98533889280.

The previous prime is 125232512269. The next prime is 125232512311. The reversal of 125232512305 is 503215232521.

It can be written as a sum of positive squares in 8 ways, for example, as 612216049 + 124620296256 = 24743^2 + 353016^2 .

It is not a de Polignac number, because 125232512305 - 2⁷ = 125232512177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6088819 + ... + 6109351.

It is an arithmetic number, because the mean of its divisors is an integer number (9547355169).

Almost surely, 2^125232512305 is an apocalyptic number.

It is an amenable number.

125232512305 is a deficient number, since it is larger than the sum of its proper divisors (27525170399).

125232512305 is a wasteful number, since it uses less digits than its factorization.

125232512305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40596.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 125232512305 its reverse (503215232521), we get a palindrome (628447744826).

The spelling of 125232512305 in words is "one hundred twenty-five billion, two hundred thirty-two million, five hundred twelve thousand, three hundred five".