111355424 has 12 divisors (see below), whose sum is σ = 219231054. Its totient is φ = 55677696.

The previous prime is 111355417. The next prime is 111355471. The reversal of 111355424 is 424553111.

It can be written as a sum of positive squares in only one way, i.e., 78499600 + 32855824 = 8860^2 + 5732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111355393 and 111355402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739897 + ... + 1739960.

Almost surely, 2^111355424 is an apocalyptic number.

It is an amenable number.

111355424 is a deficient number, since it is larger than the sum of its proper divisors (107875630).

111355424 is an equidigital number, since it uses as much as digits as its factorization.

111355424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479867 (or 3479859 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 111355424 is about 10552.5079483505. The cubic root of 111355424 is about 481.1019589848.

The spelling of 111355424 in words is "one hundred eleven million, three hundred fifty-five thousand, four hundred twenty-four".