111543530229 has 12 divisors (see below), whose sum is σ = 161323167616. Its totient is φ = 74267860392.

The previous prime is 111543530221. The next prime is 111543530257. The reversal of 111543530229 is 922035345111.

It is a happy number.

111543530229 is a `hidden beast` number, since 1 + 115 + 4 + 3 + 530 + 2 + 2 + 9 = 666.

It is not a de Polignac number, because 111543530229 - 2³ = 111543530221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111543530193 and 111543530202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111543530221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7866949 + ... + 7881114.

Almost surely, 2^111543530229 is an apocalyptic number.

It is an amenable number.

111543530229 is a deficient number, since it is larger than the sum of its proper divisors (49779637387).

111543530229 is a wasteful number, since it uses less digits than its factorization.

111543530229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15748856 (or 15748853 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 111543530229 in words is "one hundred eleven billion, five hundred forty-three million, five hundred thirty thousand, two hundred twenty-nine".