142501200660509 has 2 divisors, whose sum is σ = 142501200660510. Its totient is φ = 142501200660508.

The previous prime is 142501200660499. The next prime is 142501200660517. The reversal of 142501200660509 is 905066002105241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125894638397284 + 16606562263225 = 11220278^2 + 4075115^2 .

It is a cyclic number.

It is not a de Polignac number, because 142501200660509 - 2⁴⁰ = 141401689032733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142501200660529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71250600330254 + 71250600330255.

It is an arithmetic number, because the mean of its divisors is an integer number (71250600330255).

Almost surely, 2^{142501200660509} is an apocalyptic number.

It is an amenable number.

142501200660509 is a deficient number, since it is larger than the sum of its proper divisors (1).

142501200660509 is an equidigital number, since it uses as much as digits as its factorization.

142501200660509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 142501200660509 in words is "one hundred forty-two trillion, five hundred one billion, two hundred million, six hundred sixty thousand, five hundred nine".