131344425541225 has 24 divisors (see below), whose sum is σ = 178704670965912. Its totient is φ = 95162753587200.

The previous prime is 131344425541201. The next prime is 131344425541247. The reversal of 131344425541225 is 522145524443131.

It can be written as a sum of positive squares in 12 ways, for example, as 76457308656169 + 54887116885056 = 8743987^2 + 7408584^2 .

It is not a de Polignac number, because 131344425541225 - 2⁵ = 131344425541193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3812593096 + ... + 3812627545.

It is an arithmetic number, because the mean of its divisors is an integer number (7446027956913).

Almost surely, 2^{131344425541225} is an apocalyptic number.

It is an amenable number.

131344425541225 is a deficient number, since it is larger than the sum of its proper divisors (47360245424687).

131344425541225 is a wasteful number, since it uses less digits than its factorization.

131344425541225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625220717 (or 7625220712 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 46.

Adding to 131344425541225 its reverse (522145524443131), we get a palindrome (653489949984356).

The spelling of 131344425541225 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred twenty-five million, five hundred forty-one thousand, two hundred twenty-five".