131122504504025 has 12 divisors (see below), whose sum is σ = 162592613254572. Its totient is φ = 104897547042240.

The previous prime is 131122504503983. The next prime is 131122504504051. The reversal of 131122504504025 is 520405405221131.

It can be written as a sum of positive squares in 6 ways, for example, as 6223283611801 + 124899220892224 = 2494651^2 + 11175832^2 .

It is not a de Polignac number, because 131122504504025 - 2²⁶ = 131122437395161 is a prime.

It is a super-2 number, since 2×131122504504025² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5495042 + ... + 17100891.

It is an arithmetic number, because the mean of its divisors is an integer number (13549384437881).

Almost surely, 2^{131122504504025} is an apocalyptic number.

It is an amenable number.

131122504504025 is a deficient number, since it is larger than the sum of its proper divisors (31470108750547).

131122504504025 is a wasteful number, since it uses less digits than its factorization.

131122504504025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22828060 (or 22828055 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 131122504504025 its reverse (520405405221131), we get a palindrome (651527909725156).

The spelling of 131122504504025 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, five hundred four million, five hundred four thousand, twenty-five".