111543415053 has 16 divisors (see below), whose sum is σ = 175831985280. Its totient is φ = 61541194176.

The previous prime is 111543415043. The next prime is 111543415091. The reversal of 111543415053 is 350514345111.

It is a happy number.

It is not a de Polignac number, because 111543415053 - 2⁶ = 111543414989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111543415013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91578550 + ... + 91579767.

It is an arithmetic number, because the mean of its divisors is an integer number (10989499080).

Almost surely, 2^111543415053 is an apocalyptic number.

It is an amenable number.

111543415053 is a deficient number, since it is larger than the sum of its proper divisors (64288570227).

111543415053 is a wasteful number, since it uses less digits than its factorization.

111543415053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183158356.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 111543415053 in words is "one hundred eleven billion, five hundred forty-three million, four hundred fifteen thousand, fifty-three".