111405344 has 24 divisors (see below), whose sum is σ = 221277420. Its totient is φ = 55207936.

The previous prime is 111405331. The next prime is 111405347. The reversal of 111405344 is 443504111.

It can be written as a sum of positive squares in 2 ways, for example, as 109411600 + 1993744 = 10460^2 + 1412^2 .

It is a super-2 number, since 2×111405344² = 24822301343516672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111405347) 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, 11789 + ... + 19020.

Almost surely, 2^111405344 is an apocalyptic number.

It is an amenable number.

111405344 is a deficient number, since it is larger than the sum of its proper divisors (109872076).

111405344 is a wasteful number, since it uses less digits than its factorization.

111405344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30932 (or 30924 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 111405344 is about 10554.8729978148. The cubic root of 111405344 is about 481.1738399972.

Adding to 111405344 its reverse (443504111), we get a palindrome (554909455).

The spelling of 111405344 in words is "one hundred eleven million, four hundred five thousand, three hundred forty-four".