13113553444432 has 40 divisors (see below), whose sum is σ = 30299639020416. Its totient is φ = 5375742404736.

The previous prime is 13113553444373. The next prime is 13113553444451. The reversal of 13113553444432 is 23444435531131.

It is a super-3 number, since 3×13113553444432³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545330003 + ... + 2545335154.

Almost surely, 2^{13113553444432} is an apocalyptic number.

It is an amenable number.

13113553444432 is an abundant number, since it is smaller than the sum of its proper divisors (17186085575984).

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

13113553444432 is a wasteful number, since it uses less digits than its factorization.

13113553444432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090665195 (or 5090665189 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

Adding to 13113553444432 its reverse (23444435531131), we get a palindrome (36557988975563).

The spelling of 13113553444432 in words is "thirteen trillion, one hundred thirteen billion, five hundred fifty-three million, four hundred forty-four thousand, four hundred thirty-two".