13513555113443 has 32 divisors (see below), whose sum is σ = 16889160960000. Its totient is φ = 10504370257920.

The previous prime is 13513555113439. The next prime is 13513555113451. The reversal of 13513555113443 is 34431155531531.

It is not a de Polignac number, because 13513555113443 - 2² = 13513555113439 is a prime.

It is a super-2 number, since 2×13513555113443² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13513555113394 and 13513555113403.

It is not an unprimeable number, because it can be changed into a prime (13513555115443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174174563 + ... + 174252131.

It is an arithmetic number, because the mean of its divisors is an integer number (527786280000).

Almost surely, 2^{13513555113443} is an apocalyptic number.

13513555113443 is a deficient number, since it is larger than the sum of its proper divisors (3375605846557).

13513555113443 is a wasteful number, since it uses less digits than its factorization.

13513555113443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83075.

The product of its digits is 810000, while the sum is 44.

The spelling of 13513555113443 in words is "thirteen trillion, five hundred thirteen billion, five hundred fifty-five million, one hundred thirteen thousand, four hundred forty-three".