10241126501561 has 2 divisors, whose sum is σ = 10241126501562. Its totient is φ = 10241126501560.

The previous prime is 10241126501539. The next prime is 10241126501591. The reversal of 10241126501561 is 16510562114201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5596153253161 + 4644973248400 = 2365619^2 + 2155220^2 .

It is a cyclic number.

It is not a de Polignac number, because 10241126501561 - 2¹⁸ = 10241126239417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10241126501531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5120563250780 + 5120563250781.

It is an arithmetic number, because the mean of its divisors is an integer number (5120563250781).

Almost surely, 2^{10241126501561} is an apocalyptic number.

It is an amenable number.

10241126501561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10241126501561 is an equidigital number, since it uses as much as digits as its factorization.

10241126501561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

Adding to 10241126501561 its reverse (16510562114201), we get a palindrome (26751688615762).

The spelling of 10241126501561 in words is "ten trillion, two hundred forty-one billion, one hundred twenty-six million, five hundred one thousand, five hundred sixty-one".