13544113252 has 18 divisors (see below), whose sum is σ = 24547704818. Its totient is φ = 6538535808.

The previous prime is 13544113243. The next prime is 13544113259. The reversal of 13544113252 is 25231144531.

It can be written as a sum of positive squares in 3 ways, for example, as 260628736 + 13283484516 = 16144^2 + 115254^2 .

It is not an unprimeable number, because it can be changed into a prime (13544113259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2009733 + ... + 2016460.

Almost surely, 2^13544113252 is an apocalyptic number.

It is an amenable number.

13544113252 is a deficient number, since it is larger than the sum of its proper divisors (11003591566).

13544113252 is a wasteful number, since it uses less digits than its factorization.

13544113252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026255 (or 4026224 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 13544113252 its reverse (25231144531), we get a palindrome (38775257783).

The spelling of 13544113252 in words is "thirteen billion, five hundred forty-four million, one hundred thirteen thousand, two hundred fifty-two".