250255115434321 has 2 divisors, whose sum is σ = 250255115434322. Its totient is φ = 250255115434320.

The previous prime is 250255115434283. The next prime is 250255115434327. The reversal of 250255115434321 is 123434511552052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143820919711296 + 106434195723025 = 11992536^2 + 10316695^2 .

It is a cyclic number.

It is not a de Polignac number, because 250255115434321 - 2⁴⁵ = 215070743345489 is a prime.

It is not a weakly prime, because it can be changed into another prime (250255115434327) 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 as a sum of consecutive naturals, namely, 125127557717160 + 125127557717161.

It is an arithmetic number, because the mean of its divisors is an integer number (125127557717161).

Almost surely, 2^{250255115434321} is an apocalyptic number.

It is an amenable number.

250255115434321 is a deficient number, since it is larger than the sum of its proper divisors (1).

250255115434321 is an equidigital number, since it uses as much as digits as its factorization.

250255115434321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 250255115434321 its reverse (123434511552052), we get a palindrome (373689626986373).

The spelling of 250255115434321 in words is "two hundred fifty trillion, two hundred fifty-five billion, one hundred fifteen million, four hundred thirty-four thousand, three hundred twenty-one".