131404505524025 has 6 divisors (see below), whose sum is σ = 162941586849822. Its totient is φ = 105123604419200.

The previous prime is 131404505523943. The next prime is 131404505524057. The reversal of 131404505524025 is 520425505404131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1068056107024 + 130336449417001 = 1033468^2 + 11416499^2 .

It is not a de Polignac number, because 131404505524025 - 2⁴⁶ = 61035761346361 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 (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2628090110456 + ... + 2628090110505.

It is an arithmetic number, because the mean of its divisors is an integer number (27156931141637).

Almost surely, 2^{131404505524025} is an apocalyptic number.

It is an amenable number.

131404505524025 is a deficient number, since it is larger than the sum of its proper divisors (31537081325797).

131404505524025 is an equidigital number, since it uses as much as digits as its factorization.

131404505524025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256180220971 (or 5256180220966 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 131404505524025 in words is "one hundred thirty-one trillion, four hundred four billion, five hundred five million, five hundred twenty-four thousand, twenty-five".