111434105 has 16 divisors (see below), whose sum is σ = 137474064. Its totient is φ = 86661120.

The previous prime is 111434083. The next prime is 111434137. The reversal of 111434105 is 501434111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17673616 + 93760489 = 4204^2 + 9683^2 .

It is not a de Polignac number, because 111434105 - 2¹⁴ = 111417721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68279 + ... + 69891.

It is an arithmetic number, because the mean of its divisors is an integer number (8592129).

Almost surely, 2^111434105 is an apocalyptic number.

It is an amenable number.

111434105 is a deficient number, since it is larger than the sum of its proper divisors (26039959).

111434105 is a wasteful number, since it uses less digits than its factorization.

111434105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 111434105 is about 10556.2353611503. The cubic root of 111434105 is about 481.2152439059.

Adding to 111434105 its reverse (501434111), we get a palindrome (612868216).

The spelling of 111434105 in words is "one hundred eleven million, four hundred thirty-four thousand, one hundred five".