111042415 has 8 divisors (see below), whose sum is σ = 145364688. Its totient is φ = 80758080.

The previous prime is 111042401. The next prime is 111042427. The reversal of 111042415 is 514240111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111042415 - 2¹⁷ = 110911343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111042392 and 111042401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009422 + ... + 1009531.

It is an arithmetic number, because the mean of its divisors is an integer number (18170586).

Almost surely, 2^111042415 is an apocalyptic number.

111042415 is a deficient number, since it is larger than the sum of its proper divisors (34322273).

111042415 is a wasteful number, since it uses less digits than its factorization.

111042415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018969.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 111042415 is about 10537.6664874155. Note that the first 3 decimals coincide. The cubic root of 111042415 is about 480.6507594068.

Adding to 111042415 its reverse (514240111), we get a palindrome (625282526).

The spelling of 111042415 in words is "one hundred eleven million, forty-two thousand, four hundred fifteen".