111919364 has 12 divisors (see below), whose sum is σ = 207380124. Its totient is φ = 52667904.

The previous prime is 111919363. The next prime is 111919397. The reversal of 111919364 is 463919111.

It can be written as a sum of positive squares in 2 ways, for example, as 96864964 + 15054400 = 9842^2 + 3880^2 .

It is not an unprimeable number, because it can be changed into a prime (111919363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822869 + ... + 823004.

It is an arithmetic number, because the mean of its divisors is an integer number (17281677).

Almost surely, 2^111919364 is an apocalyptic number.

It is an amenable number.

111919364 is a deficient number, since it is larger than the sum of its proper divisors (95460760).

111919364 is a wasteful number, since it uses less digits than its factorization.

111919364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645894 (or 1645892 counting only the distinct ones).

The product of its digits is 5832, while the sum is 35.

The square root of 111919364 is about 10579.1948653950. The cubic root of 111919364 is about 481.9127439716.

The spelling of 111919364 in words is "one hundred eleven million, nine hundred nineteen thousand, three hundred sixty-four".