25255521310401 has 16 divisors (see below), whose sum is σ = 37765265515200. Its totient is φ = 16679658932064.

The previous prime is 25255521310379. The next prime is 25255521310403. The reversal of 25255521310401 is 10401312555252.

25255521310401 is a `hidden beast` number, since 2 + 5 + 25 + 5 + 5 + 213 + 10 + 401 = 666.

It is not a de Polignac number, because 25255521310401 - 2⁶ = 25255521310337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25255521310403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4370976916 + ... + 4370982693.

It is an arithmetic number, because the mean of its divisors is an integer number (2360329094700).

Almost surely, 2^{25255521310401} is an apocalyptic number.

It is an amenable number.

25255521310401 is a deficient number, since it is larger than the sum of its proper divisors (12509744204799).

25255521310401 is a wasteful number, since it uses less digits than its factorization.

25255521310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741959725 (or 8741959719 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 25255521310401 its reverse (10401312555252), we get a palindrome (35656833865653).

The spelling of 25255521310401 in words is "twenty-five trillion, two hundred fifty-five billion, five hundred twenty-one million, three hundred ten thousand, four hundred one".