13043012544 has 168 divisors, whose sum is σ = 39756027168. Its totient is φ = 4074209280.

The previous prime is 13043012503. The next prime is 13043012551. The reversal of 13043012544 is 44521034031.

It is a happy number.

13043012544 is a `hidden beast` number, since 1 + 304 + 301 + 2 + 54 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2357109 + ... + 2362635.

Almost surely, 2^13043012544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13043012544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19878013584).

13043012544 is an abundant number, since it is smaller than the sum of its proper divisors (26713014624).

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

13043012544 is a wasteful number, since it uses less digits than its factorization.

13043012544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803 (or 5790 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13043012544 its reverse (44521034031), we get a palindrome (57564046575).

The spelling of 13043012544 in words is "thirteen billion, forty-three million, twelve thousand, five hundred forty-four".