10643503123113 has 64 divisors (see below), whose sum is σ = 16813486669824. Its totient is φ = 5860673280000.

The previous prime is 10643503123103. The next prime is 10643503123171. The reversal of 10643503123113 is 31132130534601.

It is not a de Polignac number, because 10643503123113 - 2¹⁰ = 10643503122089 is a prime.

It is a super-2 number, since 2×10643503123113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643503123103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161058868 + ... + 161124938.

It is an arithmetic number, because the mean of its divisors is an integer number (262710729216).

Almost surely, 2^{10643503123113} is an apocalyptic number.

It is an amenable number.

10643503123113 is a deficient number, since it is larger than the sum of its proper divisors (6169983546711).

10643503123113 is a wasteful number, since it uses less digits than its factorization.

10643503123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67166.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 10643503123113 its reverse (31132130534601), we get a palindrome (41775633657714).

The spelling of 10643503123113 in words is "ten trillion, six hundred forty-three billion, five hundred three million, one hundred twenty-three thousand, one hundred thirteen".