112543553 has 4 divisors (see below), whose sum is σ = 119163780. Its totient is φ = 105923328.

The previous prime is 112543523. The next prime is 112543567. The reversal of 112543553 is 355345211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355345211 = 13 ⋅27334247.

It can be written as a sum of positive squares in 2 ways, for example, as 97851664 + 14691889 = 9892^2 + 3833^2 .

It is not a de Polignac number, because 112543553 - 2⁶ = 112543489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112543523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3310088 + ... + 3310121.

It is an arithmetic number, because the mean of its divisors is an integer number (29790945).

Almost surely, 2^112543553 is an apocalyptic number.

It is an amenable number.

112543553 is a deficient number, since it is larger than the sum of its proper divisors (6620227).

112543553 is an equidigital number, since it uses as much as digits as its factorization.

112543553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620226.

The product of its digits is 9000, while the sum is 29.

The square root of 112543553 is about 10608.6546272371. The cubic root of 112543553 is about 482.8069805013.

Adding to 112543553 its reverse (355345211), we get a palindrome (467888764).

The spelling of 112543553 in words is "one hundred twelve million, five hundred forty-three thousand, five hundred fifty-three".