111540983 has 4 divisors (see below), whose sum is σ = 111938208. Its totient is φ = 111143760.

The previous prime is 111540937. The next prime is 111541009. The reversal of 111540983 is 389045111.

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

It is a cyclic number.

It is not a de Polignac number, because 111540983 - 2⁸ = 111540727 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 (111540083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198191 + ... + 198752.

It is an arithmetic number, because the mean of its divisors is an integer number (27984552).

Almost surely, 2^111540983 is an apocalyptic number.

111540983 is a deficient number, since it is larger than the sum of its proper divisors (397225).

111540983 is an equidigital number, since it uses as much as digits as its factorization.

111540983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397224.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 111540983 is about 10561.2964639764. The cubic root of 111540983 is about 481.3690414910.

The spelling of 111540983 in words is "one hundred eleven million, five hundred forty thousand, nine hundred eighty-three".