13125445121133 has 8 divisors (see below), whose sum is σ = 19445103883200. Its totient is φ = 8750296747404.

The previous prime is 13125445121119. The next prime is 13125445121143. The reversal of 13125445121133 is 33112154452131.

13125445121133 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 5 + 4 + 4 + 512 + 1 + 133 = 666.

It is not a de Polignac number, because 13125445121133 - 2⁹ = 13125445120621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125445121143) by changing a digit.

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, 243063798513 + ... + 243063798566.

It is an arithmetic number, because the mean of its divisors is an integer number (2430637985400).

Almost surely, 2^{13125445121133} is an apocalyptic number.

It is an amenable number.

13125445121133 is a deficient number, since it is larger than the sum of its proper divisors (6319658762067).

13125445121133 is an equidigital number, since it uses as much as digits as its factorization.

13125445121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486127597088 (or 486127597082 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 13125445121133 its reverse (33112154452131), we get a palindrome (46237599573264).

The spelling of 13125445121133 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty-five million, one hundred twenty-one thousand, one hundred thirty-three".