13126603163653 has 4 divisors (see below), whose sum is σ = 15001832187040. Its totient is φ = 11251374140268.

The previous prime is 13126603163651. The next prime is 13126603163717. The reversal of 13126603163653 is 35636130662131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13126603163653 - 2¹ = 13126603163651 is a prime.

It is a super-3 number, since 3×13126603163653³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126603163651) 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 3 ways as a sum of consecutive naturals, for example, 937614511683 + ... + 937614511696.

It is an arithmetic number, because the mean of its divisors is an integer number (3750458046760).

Almost surely, 2^{13126603163653} is an apocalyptic number.

It is an amenable number.

13126603163653 is a deficient number, since it is larger than the sum of its proper divisors (1875229023387).

13126603163653 is an equidigital number, since it uses as much as digits as its factorization.

13126603163653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875229023386.

The product of its (nonzero) digits is 1049760, while the sum is 46.

The spelling of 13126603163653 in words is "thirteen trillion, one hundred twenty-six billion, six hundred three million, one hundred sixty-three thousand, six hundred fifty-three".