103345321252405 has 16 divisors (see below), whose sum is σ = 124281962204400. Its totient is φ = 82498008153600.

The previous prime is 103345321252351. The next prime is 103345321252423. The reversal of 103345321252405 is 504252123543301.

It can be written as a sum of positive squares in 8 ways, for example, as 58833179937841 + 44512141314564 = 7670279^2 + 6671742^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103345321252405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2377750 + ... + 14572039.

It is an arithmetic number, because the mean of its divisors is an integer number (7767622637775).

Almost surely, 2^{103345321252405} is an apocalyptic number.

It is an amenable number.

103345321252405 is a deficient number, since it is larger than the sum of its proper divisors (20936640951995).

103345321252405 is a wasteful number, since it uses less digits than its factorization.

103345321252405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16952424.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 103345321252405 its reverse (504252123543301), we get a palindrome (607597444795706).

The spelling of 103345321252405 in words is "one hundred three trillion, three hundred forty-five billion, three hundred twenty-one million, two hundred fifty-two thousand, four hundred five".