25125053530013 has 4 divisors (see below), whose sum is σ = 25355558608380. Its totient is φ = 24894548451648.

The previous prime is 25125053530001. The next prime is 25125053530097. The reversal of 25125053530013 is 31003535052152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20352847256569 + 4772206273444 = 4511413^2 + 2184538^2 .

It is a cyclic number.

It is not a de Polignac number, because 25125053530013 - 2¹⁰ = 25125053528989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25125053530813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115252539020 + ... + 115252539237.

It is an arithmetic number, because the mean of its divisors is an integer number (6338889652095).

Almost surely, 2^{25125053530013} is an apocalyptic number.

It is an amenable number.

25125053530013 is a deficient number, since it is larger than the sum of its proper divisors (230505078367).

25125053530013 is a wasteful number, since it uses less digits than its factorization.

25125053530013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230505078366.

The product of its (nonzero) digits is 67500, while the sum is 35.

Adding to 25125053530013 its reverse (31003535052152), we get a palindrome (56128588582165).

The spelling of 25125053530013 in words is "twenty-five trillion, one hundred twenty-five billion, fifty-three million, five hundred thirty thousand, thirteen".