25344230120321 has 6 divisors (see below), whose sum is σ = 29482063609410. Its totient is φ = 21723625817376.

The previous prime is 25344230120281. The next prime is 25344230120329. The reversal of 25344230120321 is 12302103244352.

It can be written as a sum of positive squares in only one way, i.e., 21410100681025 + 3934129439296 = 4627105^2 + 1983464^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25344230120321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25344230120329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258614593016 + ... + 258614593113.

It is an arithmetic number, because the mean of its divisors is an integer number (4913677268235).

Almost surely, 2^{25344230120321} is an apocalyptic number.

It is an amenable number.

25344230120321 is a deficient number, since it is larger than the sum of its proper divisors (4137833489089).

25344230120321 is an equidigital number, since it uses as much as digits as its factorization.

25344230120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517229186143 (or 517229186136 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 25344230120321 its reverse (12302103244352), we get a palindrome (37646333364673).

The spelling of 25344230120321 in words is "twenty-five trillion, three hundred forty-four billion, two hundred thirty million, one hundred twenty thousand, three hundred twenty-one".