13103645205245 has 16 divisors (see below), whose sum is σ = 17970988603008. Its totient is φ = 8985219122880.

The previous prime is 13103645205199. The next prime is 13103645205251. The reversal of 13103645205245 is 54250254630131.

It is a de Polignac number, because none of the positive numbers 2^k-13103645205245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521066 + ... + 5145755.

It is an arithmetic number, because the mean of its divisors is an integer number (1123186787688).

Almost surely, 2^{13103645205245} is an apocalyptic number.

It is an amenable number.

13103645205245 is a deficient number, since it is larger than the sum of its proper divisors (4867343397763).

13103645205245 is an equidigital number, since it uses as much as digits as its factorization.

13103645205245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732900.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 13103645205245 its reverse (54250254630131), we get a palindrome (67353899835376).

The spelling of 13103645205245 in words is "thirteen trillion, one hundred three billion, six hundred forty-five million, two hundred five thousand, two hundred forty-five".