112011451543 has 4 divisors (see below), whose sum is σ = 114743438208. Its totient is φ = 109279464880.

The previous prime is 112011451537. The next prime is 112011451547. The reversal of 112011451543 is 345154110211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345154110211 = 157 ⋅2198433823.

It is a cyclic number.

It is not a de Polignac number, because 112011451543 - 2⁹ = 112011451031 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 (112011451547) 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, 1365993271 + ... + 1365993352.

It is an arithmetic number, because the mean of its divisors is an integer number (28685859552).

Almost surely, 2^112011451543 is an apocalyptic number.

112011451543 is a deficient number, since it is larger than the sum of its proper divisors (2731986665).

112011451543 is an equidigital number, since it uses as much as digits as its factorization.

112011451543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731986664.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 112011451543 its reverse (345154110211), we get a palindrome (457165561754).

The spelling of 112011451543 in words is "one hundred twelve billion, eleven million, four hundred fifty-one thousand, five hundred forty-three".