25201325055234 has 64 divisors (see below), whose sum is σ = 53412286464000. Its totient is φ = 7899667641600.

The previous prime is 25201325055227. The next prime is 25201325055239. The reversal of 25201325055234 is 43255052310252.

It is a junction number, because it is equal to n+sod(n) for n = 25201325055192 and 25201325055201.

It is not an unprimeable number, because it can be changed into a prime (25201325055239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637165759 + ... + 637205309.

It is an arithmetic number, because the mean of its divisors is an integer number (834566976000).

Almost surely, 2^{25201325055234} is an apocalyptic number.

25201325055234 is an abundant number, since it is smaller than the sum of its proper divisors (28210961408766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25201325055234 is a wasteful number, since it uses less digits than its factorization.

25201325055234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44655.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 25201325055234 its reverse (43255052310252), we get a palindrome (68456377365486).

The spelling of 25201325055234 in words is "twenty-five trillion, two hundred one billion, three hundred twenty-five million, fifty-five thousand, two hundred thirty-four".