25201325055105 has 12 divisors (see below), whose sum is σ = 43682296762260. Its totient is φ = 13440706696032.

The previous prime is 25201325055103. The next prime is 25201325055131. The reversal of 25201325055105 is 50155052310252.

25201325055105 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 132 + 5 + 0 + 5 + 510 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7296951456369 + 17904373598736 = 2701287^2 + 4231356^2 .

It is not a de Polignac number, because 25201325055105 - 2¹ = 25201325055103 is a prime.

It is a super-2 number, since 2×25201325055105² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25201325055105.

It is not an unprimeable number, because it can be changed into a prime (25201325055103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280014722790 + ... + 280014722879.

It is an arithmetic number, because the mean of its divisors is an integer number (3640191396855).

Almost surely, 2^{25201325055105} is an apocalyptic number.

It is an amenable number.

25201325055105 is a deficient number, since it is larger than the sum of its proper divisors (18480971707155).

25201325055105 is a wasteful number, since it uses less digits than its factorization.

25201325055105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560029445680 (or 560029445677 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

Adding to 25201325055105 its reverse (50155052310252), we get a palindrome (75356377365357).

The spelling of 25201325055105 in words is "twenty-five trillion, two hundred one billion, three hundred twenty-five million, fifty-five thousand, one hundred five".