111434040 has 48 divisors (see below), whose sum is σ = 362161800. Its totient is φ = 29715648.

The previous prime is 111434017. The next prime is 111434051. The reversal of 111434040 is 40434111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154410 + ... + 155129.

Almost surely, 2^111434040 is an apocalyptic number.

111434040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111434040 is an abundant number, since it is smaller than the sum of its proper divisors (250727760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111434040 is a wasteful number, since it uses less digits than its factorization.

111434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309556 (or 309549 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 111434040 is about 10556.2322824008. The cubic root of 111434040 is about 481.2151503409.

Adding to 111434040 its reverse (40434111), we get a palindrome (151868151).

The spelling of 111434040 in words is "one hundred eleven million, four hundred thirty-four thousand, forty".