13551333553424 has 10 divisors (see below), whose sum is σ = 26255708759790. Its totient is φ = 6775666776704.

The previous prime is 13551333553301. The next prime is 13551333553427. The reversal of 13551333553424 is 42435533315531.

It can be written as a sum of positive squares in only one way, i.e., 8138079863824 + 5413253689600 = 2852732^2 + 2326640^2 .

It is not an unprimeable number, because it can be changed into a prime (13551333553427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423479173529 + ... + 423479173560.

It is an arithmetic number, because the mean of its divisors is an integer number (2625570875979).

Almost surely, 2^{13551333553424} is an apocalyptic number.

It is an amenable number.

13551333553424 is a deficient number, since it is larger than the sum of its proper divisors (12704375206366).

13551333553424 is an equidigital number, since it uses as much as digits as its factorization.

13551333553424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846958347097 (or 846958347091 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 47.

Adding to 13551333553424 its reverse (42435533315531), we get a palindrome (55986866868955).

The spelling of 13551333553424 in words is "thirteen trillion, five hundred fifty-one billion, three hundred thirty-three million, five hundred fifty-three thousand, four hundred twenty-four".