13125453101042 has 4 divisors (see below), whose sum is σ = 19688179651566. Its totient is φ = 6562726550520.

The previous prime is 13125453101021. The next prime is 13125453101051. The reversal of 13125453101042 is 24010135452131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11548843892881 + 1576609208161 = 3398359^2 + 1255631^2 .

It is a super-2 number, since 2×13125453101042² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3281363275259 + ... + 3281363275262.

Almost surely, 2^{13125453101042} is an apocalyptic number.

13125453101042 is a deficient number, since it is larger than the sum of its proper divisors (6562726550524).

13125453101042 is an equidigital number, since it uses as much as digits as its factorization.

13125453101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562726550523.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 13125453101042 its reverse (24010135452131), we get a palindrome (37135588553173).

The spelling of 13125453101042 in words is "thirteen trillion, one hundred twenty-five billion, four hundred fifty-three million, one hundred one thousand, forty-two".