111042244215 has 24 divisors (see below), whose sum is σ = 219969398688. Its totient is φ = 50762168640.

The previous prime is 111042244213. The next prime is 111042244219. The reversal of 111042244215 is 512442240111.

111042244215 is a `hidden beast` number, since 1 + 1 + 10 + 4 + 224 + 421 + 5 = 666.

It is not a de Polignac number, because 111042244215 - 2¹ = 111042244213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111042244211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176257216 + ... + 176257845.

It is an arithmetic number, because the mean of its divisors is an integer number (9165391612).

Almost surely, 2^111042244215 is an apocalyptic number.

111042244215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111042244215 is a deficient number, since it is larger than the sum of its proper divisors (108927154473).

111042244215 is a wasteful number, since it uses less digits than its factorization.

111042244215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352515079 (or 352515076 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 111042244215 its reverse (512442240111), we get a palindrome (623484484326).

The spelling of 111042244215 in words is "one hundred eleven billion, forty-two million, two hundred forty-four thousand, two hundred fifteen".