13220241113534 has 32 divisors (see below), whose sum is σ = 24489898050240. Its totient is φ = 5212135694592.

The previous prime is 13220241113509. The next prime is 13220241113633. The reversal of 13220241113534 is 43531114202231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13220241113534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123903479 + ... + 124010130.

It is an arithmetic number, because the mean of its divisors is an integer number (765309314070).

Almost surely, 2^{13220241113534} is an apocalyptic number.

13220241113534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13220241113534 is a deficient number, since it is larger than the sum of its proper divisors (11269656936706).

13220241113534 is a wasteful number, since it uses less digits than its factorization.

13220241113534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247913924.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 13220241113534 its reverse (43531114202231), we get a palindrome (56751355315765).

The spelling of 13220241113534 in words is "thirteen trillion, two hundred twenty billion, two hundred forty-one million, one hundred thirteen thousand, five hundred thirty-four".