111534113 has 4 divisors (see below), whose sum is σ = 113105088. Its totient is φ = 109963140.

The previous prime is 111534103. The next prime is 111534139. The reversal of 111534113 is 311435111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111534113 - 2⁴ = 111534097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111534103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785381 + ... + 785522.

It is an arithmetic number, because the mean of its divisors is an integer number (28276272).

Almost surely, 2^111534113 is an apocalyptic number.

It is an amenable number.

111534113 is a deficient number, since it is larger than the sum of its proper divisors (1570975).

111534113 is an equidigital number, since it uses as much as digits as its factorization.

111534113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570974.

The product of its digits is 180, while the sum is 20.

The square root of 111534113 is about 10560.9712148079. The cubic root of 111534113 is about 481.3591585072.

Adding to 111534113 its reverse (311435111), we get a palindrome (422969224).

The spelling of 111534113 in words is "one hundred eleven million, five hundred thirty-four thousand, one hundred thirteen".