13501443451425 has 48 divisors (see below), whose sum is σ = 22464157535232. Its totient is φ = 7155068385600.

The previous prime is 13501443451381. The next prime is 13501443451451. The reversal of 13501443451425 is 52415434410531.

It is not a de Polignac number, because 13501443451425 - 2²⁰ = 13501442402849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34764162 + ... + 35150388.

It is an arithmetic number, because the mean of its divisors is an integer number (468003281984).

Almost surely, 2^{13501443451425} is an apocalyptic number.

13501443451425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13501443451425 is a deficient number, since it is larger than the sum of its proper divisors (8962714083807).

13501443451425 is a wasteful number, since it uses less digits than its factorization.

13501443451425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389198 (or 389193 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 13501443451425 its reverse (52415434410531), we get a palindrome (65916877861956).

The spelling of 13501443451425 in words is "thirteen trillion, five hundred one billion, four hundred forty-three million, four hundred fifty-one thousand, four hundred twenty-five".