113533402543 has 24 divisors (see below), whose sum is σ = 128372004320. Its totient is φ = 100261022400.

The previous prime is 113533402529. The next prime is 113533402561. The reversal of 113533402543 is 345204335311.

It is not a de Polignac number, because 113533402543 - 2¹⁷ = 113533271471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113533402499 and 113533402508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113533402343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2804893 + ... + 2845081.

Almost surely, 2^113533402543 is an apocalyptic number.

113533402543 is a deficient number, since it is larger than the sum of its proper divisors (14838601777).

113533402543 is a wasteful number, since it uses less digits than its factorization.

113533402543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40879 (or 40868 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 113533402543 its reverse (345204335311), we get a palindrome (458737737854).

The spelling of 113533402543 in words is "one hundred thirteen billion, five hundred thirty-three million, four hundred two thousand, five hundred forty-three".