13505013030043 has 16 divisors (see below), whose sum is σ = 14341066437600. Its totient is φ = 12673589792256.

The previous prime is 13505013030023. The next prime is 13505013030059. The reversal of 13505013030043 is 34003031050531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13505013030043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13505013029993 and 13505013030020.

It is not an unprimeable number, because it can be changed into a prime (13505013030013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177162805 + ... + 177239017.

It is an arithmetic number, because the mean of its divisors is an integer number (896316652350).

Almost surely, 2^{13505013030043} is an apocalyptic number.

13505013030043 is a deficient number, since it is larger than the sum of its proper divisors (836053407557).

13505013030043 is a wasteful number, since it uses less digits than its factorization.

13505013030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106446.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 13505013030043 its reverse (34003031050531), we get a palindrome (47508044080574).

The spelling of 13505013030043 in words is "thirteen trillion, five hundred five billion, thirteen million, thirty thousand, forty-three".