2103003523405 has 8 divisors (see below), whose sum is σ = 2591809747992. Its totient is φ = 1636932472128.

The previous prime is 2103003523403. The next prime is 2103003523427. The reversal of 2103003523405 is 5043253003012.

It can be written as a sum of positive squares in 4 ways, for example, as 370563170121 + 1732440353284 = 608739^2 + 1316222^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103003523405 - 2¹ = 2103003523403 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 (2103003523403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5683793122 + ... + 5683793491.

It is an arithmetic number, because the mean of its divisors is an integer number (323976218499).

Almost surely, 2^{2103003523405} is an apocalyptic number.

It is an amenable number.

2103003523405 is a deficient number, since it is larger than the sum of its proper divisors (488806224587).

2103003523405 is a wasteful number, since it uses less digits than its factorization.

2103003523405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367586655.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 2103003523405 its reverse (5043253003012), we get a palindrome (7146256526417).

The spelling of 2103003523405 in words is "two trillion, one hundred three billion, three million, five hundred twenty-three thousand, four hundred five".