10045242099509 has 2 divisors, whose sum is σ = 10045242099510. Its totient is φ = 10045242099508.

The previous prime is 10045242099481. The next prime is 10045242099601. The reversal of 10045242099509 is 90599024254001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5863613820100 + 4181628279409 = 2421490^2 + 2044903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10045242099509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10045242095509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5022621049754 + 5022621049755.

It is an arithmetic number, because the mean of its divisors is an integer number (5022621049755).

Almost surely, 2^{10045242099509} is an apocalyptic number.

It is an amenable number.

10045242099509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10045242099509 is an equidigital number, since it uses as much as digits as its factorization.

10045242099509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 10045242099509 in words is "ten trillion, forty-five billion, two hundred forty-two million, ninety-nine thousand, five hundred nine".