112511543 has 4 divisors (see below), whose sum is σ = 112735728. Its totient is φ = 112287360.

The previous prime is 112511537. The next prime is 112511549. The reversal of 112511543 is 345115211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (112511537) and next prime (112511549).

It is a cyclic number.

It is not a de Polignac number, because 112511543 - 2⁶ = 112511479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112511549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111338 + ... + 112343.

It is an arithmetic number, because the mean of its divisors is an integer number (28183932).

Almost surely, 2^112511543 is an apocalyptic number.

112511543 is a deficient number, since it is larger than the sum of its proper divisors (224185).

112511543 is an equidigital number, since it uses as much as digits as its factorization.

112511543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224184.

The product of its digits is 600, while the sum is 23.

The square root of 112511543 is about 10607.1458460794. The cubic root of 112511543 is about 482.7612023218.

Adding to 112511543 its reverse (345115211), we get a palindrome (457626754).

The spelling of 112511543 in words is "one hundred twelve million, five hundred eleven thousand, five hundred forty-three".