13105434503045 has 8 divisors (see below), whose sum is σ = 15817426152696. Its totient is φ = 10423744436416.

The previous prime is 13105434503027. The next prime is 13105434503113. The reversal of 13105434503045 is 54030543450131.

It can be written as a sum of positive squares in 4 ways, for example, as 527793532036 + 12577640971009 = 726494^2 + 3546497^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13105434503045 is a prime.

It is a super-2 number, since 2×13105434503045² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7575394802 + ... + 7575396531.

It is an arithmetic number, because the mean of its divisors is an integer number (1977178269087).

Almost surely, 2^{13105434503045} is an apocalyptic number.

It is an amenable number.

13105434503045 is a deficient number, since it is larger than the sum of its proper divisors (2711991649651).

13105434503045 is a wasteful number, since it uses less digits than its factorization.

13105434503045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150791511.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 13105434503045 its reverse (54030543450131), we get a palindrome (67135977953176).

The spelling of 13105434503045 in words is "thirteen trillion, one hundred five billion, four hundred thirty-four million, five hundred three thousand, forty-five".