111541112 has 8 divisors (see below), whose sum is σ = 209139600. Its totient is φ = 55770552.

The previous prime is 111541043. The next prime is 111541139. The reversal of 111541112 is 211145111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6971312 + ... + 6971327.

It is an arithmetic number, because the mean of its divisors is an integer number (26142450).

Almost surely, 2^111541112 is an apocalyptic number.

It is an amenable number.

111541112 is a deficient number, since it is larger than the sum of its proper divisors (97598488).

111541112 is a wasteful number, since it uses less digits than its factorization.

111541112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13942645 (or 13942641 counting only the distinct ones).

The product of its digits is 40, while the sum is 17.

The square root of 111541112 is about 10561.3025711794. The cubic root of 111541112 is about 481.3692270628.

Adding to 111541112 its reverse (211145111), we get a palindrome (322686223).

The spelling of 111541112 in words is "one hundred eleven million, five hundred forty-one thousand, one hundred twelve".