113543005521 has 24 divisors (see below), whose sum is σ = 174303257184. Its totient is φ = 65192149440.

The previous prime is 113543005517. The next prime is 113543005529. The reversal of 113543005521 is 125500345311.

It is not a de Polignac number, because 113543005521 - 2² = 113543005517 is a prime.

It is a super-3 number, since 3×113543005521³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (113543005529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4753596 + ... + 4777421.

It is an arithmetic number, because the mean of its divisors is an integer number (7262635716).

Almost surely, 2^113543005521 is an apocalyptic number.

113543005521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113543005521 is a deficient number, since it is larger than the sum of its proper divisors (60760251663).

113543005521 is a wasteful number, since it uses less digits than its factorization.

113543005521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531069 (or 9531050 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 113543005521 in words is "one hundred thirteen billion, five hundred forty-three million, five thousand, five hundred twenty-one".