250315013130121 has 2 divisors, whose sum is σ = 250315013130122. Its totient is φ = 250315013130120.

The previous prime is 250315013130109. The next prime is 250315013130163. The reversal of 250315013130121 is 121031310513052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249698905874496 + 616107255625 = 15801864^2 + 784925^2 .

It is a cyclic number.

It is not a de Polignac number, because 250315013130121 - 2⁵ = 250315013130089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250315013130121.

It is not a weakly prime, because it can be changed into another prime (250315013130521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125157506565060 + 125157506565061.

It is an arithmetic number, because the mean of its divisors is an integer number (125157506565061).

Almost surely, 2^{250315013130121} is an apocalyptic number.

It is an amenable number.

250315013130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

250315013130121 is an equidigital number, since it uses as much as digits as its factorization.

250315013130121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 250315013130121 its reverse (121031310513052), we get a palindrome (371346323643173).

The spelling of 250315013130121 in words is "two hundred fifty trillion, three hundred fifteen billion, thirteen million, one hundred thirty thousand, one hundred twenty-one".