251153422230341 has 12 divisors (see below), whose sum is σ = 260131038087492. Its totient is φ = 242475697290624.

The previous prime is 251153422230287. The next prime is 251153422230379. The reversal of 251153422230341 is 143032224351152.

It can be written as a sum of positive squares in 6 ways, for example, as 965019381316 + 250188402849025 = 982354^2 + 15817345^2 .

It is not a de Polignac number, because 251153422230341 - 2¹⁴ = 251153422213957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 251153422230295 and 251153422230304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251153422230041) 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, 1199591 + ... + 22444283.

It is an arithmetic number, because the mean of its divisors is an integer number (21677586507291).

Almost surely, 2^{251153422230341} is an apocalyptic number.

It is an amenable number.

251153422230341 is a deficient number, since it is larger than the sum of its proper divisors (8977615857151).

251153422230341 is a wasteful number, since it uses less digits than its factorization.

251153422230341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21258808 (or 21258779 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 251153422230341 its reverse (143032224351152), we get a palindrome (394185646581493).

The spelling of 251153422230341 in words is "two hundred fifty-one trillion, one hundred fifty-three billion, four hundred twenty-two million, two hundred thirty thousand, three hundred forty-one".