25000052505530 has 32 divisors (see below), whose sum is σ = 46458358990848. Its totient is φ = 9676054569600.

The previous prime is 25000052505523. The next prime is 25000052505539. The reversal of 25000052505530 is 3550525000052.

It is not an unprimeable number, because it can be changed into a prime (25000052505539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3600587 + ... + 7935006.

It is an arithmetic number, because the mean of its divisors is an integer number (1451823718464).

Almost surely, 2^{25000052505530} is an apocalyptic number.

25000052505530 is a deficient number, since it is larger than the sum of its proper divisors (21458306485318).

25000052505530 is a wasteful number, since it uses less digits than its factorization.

25000052505530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542622.

The product of its (nonzero) digits is 37500, while the sum is 32.

Adding to 25000052505530 its reverse (3550525000052), we get a palindrome (28550577505582).

The spelling of 25000052505530 in words is "twenty-five trillion, fifty-two million, five hundred five thousand, five hundred thirty".