111134541 has 16 divisors (see below), whose sum is σ = 170392064. Its totient is φ = 63113904.

The previous prime is 111134533. The next prime is 111134563. The reversal of 111134541 is 145431111.

It is not a de Polignac number, because 111134541 - 2³ = 111134533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111134501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12811 + ... + 19656.

It is an arithmetic number, because the mean of its divisors is an integer number (10649504).

Almost surely, 2^111134541 is an apocalyptic number.

It is an amenable number.

111134541 is a deficient number, since it is larger than the sum of its proper divisors (59257523).

111134541 is a wasteful number, since it uses less digits than its factorization.

111134541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32640.

The product of its digits is 240, while the sum is 21.

The square root of 111134541 is about 10542.0368525252. The cubic root of 111134541 is about 480.7836461414.

Adding to 111134541 its reverse (145431111), we get a palindrome (256565652).

The spelling of 111134541 in words is "one hundred eleven million, one hundred thirty-four thousand, five hundred forty-one".