13213451130544 has 20 divisors (see below), whose sum is σ = 29258356075024. Its totient is φ = 5662907627328.

The previous prime is 13213451130541. The next prime is 13213451130577. The reversal of 13213451130544 is 44503115431231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13213451130541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58988621007 + ... + 58988621230.

Almost surely, 2^{13213451130544} is an apocalyptic number.

13213451130544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13213451130544 is an abundant number, since it is smaller than the sum of its proper divisors (16044904944480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13213451130544 is a wasteful number, since it uses less digits than its factorization.

13213451130544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117977242252 (or 117977242246 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 13213451130544 its reverse (44503115431231), we get a palindrome (57716566561775).

The spelling of 13213451130544 in words is "thirteen trillion, two hundred thirteen billion, four hundred fifty-one million, one hundred thirty thousand, five hundred forty-four".