250043421015001 has 2 divisors, whose sum is σ = 250043421015002. Its totient is φ = 250043421015000.

The previous prime is 250043421014993. The next prime is 250043421015029. The reversal of 250043421015001 is 100510124340052.

It is an a-pointer prime, because the next prime (250043421015029) can be obtained adding 250043421015001 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217424461902400 + 32618959112601 = 14745320^2 + 5711301^2 .

It is a cyclic number.

It is not a de Polignac number, because 250043421015001 - 2³ = 250043421014993 is a prime.

It is not a weakly prime, because it can be changed into another prime (250043421015071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125021710507500 + 125021710507501.

It is an arithmetic number, because the mean of its divisors is an integer number (125021710507501).

Almost surely, 2^{250043421015001} is an apocalyptic number.

It is an amenable number.

250043421015001 is a deficient number, since it is larger than the sum of its proper divisors (1).

250043421015001 is an equidigital number, since it uses as much as digits as its factorization.

250043421015001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 250043421015001 its reverse (100510124340052), we get a palindrome (350553545355053).

The spelling of 250043421015001 in words is "two hundred fifty trillion, forty-three billion, four hundred twenty-one million, fifteen thousand, one".