13331546235121 has 3 divisors (see below), whose sum is σ = 13331549886361. Its totient is φ = 13331542583882.

The previous prime is 13331546235109. The next prime is 13331546235149. The reversal of 13331546235121 is 12153264513331.

The square root of 13331546235121 is 3651239.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13331546235121 - 2²¹ = 13331544137969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331546235101) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1825620 + ... + 5476858.

Almost surely, 2^{13331546235121} is an apocalyptic number.

13331546235121 is the 3651239-th square number.

13331546235121 is the 1825620-th centered octagonal number.

It is an amenable number.

13331546235121 is a deficient number, since it is larger than the sum of its proper divisors (3651240).

13331546235121 is an frugal number, since it uses more digits than its factorization.

13331546235121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302478 (or 3651239 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The spelling of 13331546235121 in words is "thirteen trillion, three hundred thirty-one billion, five hundred forty-six million, two hundred thirty-five thousand, one hundred twenty-one".