13522242131345 has 4 divisors (see below), whose sum is σ = 16226690557620. Its totient is φ = 10817793705072.

The previous prime is 13522242131269. The next prime is 13522242131351. The reversal of 13522242131345 is 54313124222531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3768688398721 + 9753553732624 = 1941311^2 + 3123068^2 .

It is a cyclic number.

It is not a de Polignac number, because 13522242131345 - 2¹² = 13522242127249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13522242131299 and 13522242131308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352224213130 + ... + 1352224213139.

It is an arithmetic number, because the mean of its divisors is an integer number (4056672639405).

Almost surely, 2^{13522242131345} is an apocalyptic number.

It is an amenable number.

13522242131345 is a deficient number, since it is larger than the sum of its proper divisors (2704448426275).

13522242131345 is an equidigital number, since it uses as much as digits as its factorization.

13522242131345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704448426274.

The product of its digits is 172800, while the sum is 38.

Adding to 13522242131345 its reverse (54313124222531), we get a palindrome (67835366353876).

The spelling of 13522242131345 in words is "thirteen trillion, five hundred twenty-two billion, two hundred forty-two million, one hundred thirty-one thousand, three hundred forty-five".