203243010150115 has 12 divisors (see below), whose sum is σ = 264095651060064. Its totient is φ = 150087145956384.

The previous prime is 203243010150113. The next prime is 203243010150127. The reversal of 203243010150115 is 511051010342302.

It is not a de Polignac number, because 203243010150115 - 2¹ = 203243010150113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203243010150113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120262135339 + ... + 120262137028.

It is an arithmetic number, because the mean of its divisors is an integer number (22007970921672).

Almost surely, 2^{203243010150115} is an apocalyptic number.

203243010150115 is a deficient number, since it is larger than the sum of its proper divisors (60852640909949).

203243010150115 is a wasteful number, since it uses less digits than its factorization.

203243010150115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240524272398 (or 240524272385 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 203243010150115 its reverse (511051010342302), we get a palindrome (714294020492417).

The spelling of 203243010150115 in words is "two hundred three trillion, two hundred forty-three billion, ten million, one hundred fifty thousand, one hundred fifteen".