113543453543 has 16 divisors (see below), whose sum is σ = 129622360896. Its totient is φ = 98528279040.

The previous prime is 113543453501. The next prime is 113543453591. The reversal of 113543453543 is 345354345311.

It is not a de Polignac number, because 113543453543 - 2⁶ = 113543453479 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113543453543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113543453743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112643 + ... + 489668.

It is an arithmetic number, because the mean of its divisors is an integer number (8101397556).

Almost surely, 2^113543453543 is an apocalyptic number.

113543453543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113543453543 is a deficient number, since it is larger than the sum of its proper divisors (16078907353).

113543453543 is a wasteful number, since it uses less digits than its factorization.

113543453543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603194.

The product of its digits is 648000, while the sum is 41.

Adding to 113543453543 its reverse (345354345311), we get a palindrome (458897798854).

The spelling of 113543453543 in words is "one hundred thirteen billion, five hundred forty-three million, four hundred fifty-three thousand, five hundred forty-three".