111079543 has 2 divisors, whose sum is σ = 111079544. Its totient is φ = 111079542.

The previous prime is 111079517. The next prime is 111079613. The reversal of 111079543 is 345970111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111079543 - 2¹³ = 111071351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111019543) 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 as a sum of consecutive naturals, namely, 55539771 + 55539772.

It is an arithmetic number, because the mean of its divisors is an integer number (55539772).

Almost surely, 2^111079543 is an apocalyptic number.

111079543 is a deficient number, since it is larger than the sum of its proper divisors (1).

111079543 is an equidigital number, since it uses as much as digits as its factorization.

111079543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 111079543 is about 10539.4280205332. The cubic root of 111079543 is about 480.7043233620.

The spelling of 111079543 in words is "one hundred eleven million, seventy-nine thousand, five hundred forty-three".