111542048 has 18 divisors (see below), whose sum is σ = 219716091. Its totient is φ = 55741152.

The previous prime is 111542047. The next prime is 111542059. The reversal of 111542048 is 840245111.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 55771024 + 55771024 = 7468^2 + 7468^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7468.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111542047) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 58811 + ... + 60677.

Almost surely, 2^111542048 is an apocalyptic number.

It is an amenable number.

111542048 is a deficient number, since it is larger than the sum of its proper divisors (108174043).

111542048 is an frugal number, since it uses more digits than its factorization.

111542048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 111542048 is about 10561.3468838023. The cubic root of 111542048 is about 481.3705735330.

Adding to 111542048 its reverse (840245111), we get a palindrome (951787159).

The spelling of 111542048 in words is "one hundred eleven million, five hundred forty-two thousand, forty-eight".