4125531144025 has 12 divisors (see below), whose sum is σ = 5115878363052. Its totient is φ = 3300283144640.

The previous prime is 4125531143999. The next prime is 4125531144037. The reversal of 4125531144025 is 5204411355214.

It can be written as a sum of positive squares in 6 ways, for example, as 428109798601 + 3697421345424 = 654301^2 + 1922868^2 .

It is not a de Polignac number, because 4125531144025 - 2⁷ = 4125531143897 is a prime.

It is a Duffinian 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, 2948662 + ... + 4116511.

It is an arithmetic number, because the mean of its divisors is an integer number (426323196921).

Almost surely, 2^{4125531144025} is an apocalyptic number.

It is an amenable number.

4125531144025 is a deficient number, since it is larger than the sum of its proper divisors (990347219027).

4125531144025 is a wasteful number, since it uses less digits than its factorization.

4125531144025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088540 (or 7088535 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 4125531144025 its reverse (5204411355214), we get a palindrome (9329942499239).

The spelling of 4125531144025 in words is "four trillion, one hundred twenty-five billion, five hundred thirty-one million, one hundred forty-four thousand, twenty-five".