111042414 has 80 divisors (see below), whose sum is σ = 286462176. Its totient is φ = 31492800.

The previous prime is 111042401. The next prime is 111042427. The reversal of 111042414 is 414240111.

It is an interprime number because it is at equal distance from previous prime (111042401) and next prime (111042427).

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 39 ways as a sum of consecutive naturals, for example, 204984 + ... + 205524.

Almost surely, 2^111042414 is an apocalyptic number.

111042414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111042414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143231088).

111042414 is an abundant number, since it is smaller than the sum of its proper divisors (175419762).

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

111042414 is a wasteful number, since it uses less digits than its factorization.

111042414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 111042414 is about 10537.6664399667. Note that the first 3 decimals coincide. The cubic root of 111042414 is about 480.6507579639.

Adding to 111042414 its reverse (414240111), we get a palindrome (525282525).

The spelling of 111042414 in words is "one hundred eleven million, forty-two thousand, four hundred fourteen".