1016200230509 has 2 divisors, whose sum is σ = 1016200230510. Its totient is φ = 1016200230508.

The previous prime is 1016200230391. The next prime is 1016200230581. The reversal of 1016200230509 is 9050320026101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990084700900 + 26115529609 = 995030^2 + 161603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016200230509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016200230599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508100115254 + 508100115255.

It is an arithmetic number, because the mean of its divisors is an integer number (508100115255).

Almost surely, 2^{1016200230509} is an apocalyptic number.

It is an amenable number.

1016200230509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016200230509 is an equidigital number, since it uses as much as digits as its factorization.

1016200230509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 1016200230509 in words is "one trillion, sixteen billion, two hundred million, two hundred thirty thousand, five hundred nine".