103243501105225 has 12 divisors (see below), whose sum is σ = 137869783014796. Its totient is φ = 76241354662080.

The previous prime is 103243501105169. The next prime is 103243501105253. The reversal of 103243501105225 is 522501105342301.

It can be written as a sum of positive squares in 6 ways, for example, as 43079479742016 + 60164021363209 = 6563496^2 + 7756547^2 .

It is not a de Polignac number, because 103243501105225 - 2¹⁷ = 103243500974153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158836155222 + ... + 158836155871.

Almost surely, 2^{103243501105225} is an apocalyptic number.

It is an amenable number.

103243501105225 is a deficient number, since it is larger than the sum of its proper divisors (34626281909571).

103243501105225 is a wasteful number, since it uses less digits than its factorization.

103243501105225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317672311116 (or 317672311111 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 103243501105225 its reverse (522501105342301), we get a palindrome (625744606447526).

The spelling of 103243501105225 in words is "one hundred three trillion, two hundred forty-three billion, five hundred one million, one hundred five thousand, two hundred twenty-five".