103534525605205 has 4 divisors (see below), whose sum is σ = 124241430726252. Its totient is φ = 82827620484160.

The previous prime is 103534525605167. The next prime is 103534525605209. The reversal of 103534525605205 is 502506525435301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11976534468369 + 91557991136836 = 3460713^2 + 9568594^2 .

It is not a de Polignac number, because 103534525605205 - 2¹⁵ = 103534525572437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103534525605209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10353452560516 + ... + 10353452560525.

It is an arithmetic number, because the mean of its divisors is an integer number (31060357681563).

Almost surely, 2^{103534525605205} is an apocalyptic number.

It is an amenable number.

103534525605205 is a deficient number, since it is larger than the sum of its proper divisors (20706905121047).

103534525605205 is an equidigital number, since it uses as much as digits as its factorization.

103534525605205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20706905121046.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 103534525605205 in words is "one hundred three trillion, five hundred thirty-four billion, five hundred twenty-five million, six hundred five thousand, two hundred five".