111563113 has 6 divisors (see below), whose sum is σ = 114219834. Its totient is φ = 108966816.

The previous prime is 111563099. The next prime is 111563119. The reversal of 111563113 is 311365111.

It can be written as a sum of positive squares in only one way, i.e., 73222249 + 38340864 = 8557^2 + 6192^2 .

It is not a de Polignac number, because 111563113 - 2²⁵ = 78008681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111563119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28320 + ... + 32017.

It is an arithmetic number, because the mean of its divisors is an integer number (19036639).

Almost surely, 2^111563113 is an apocalyptic number.

It is an amenable number.

111563113 is a deficient number, since it is larger than the sum of its proper divisors (2656721).

111563113 is an frugal number, since it uses more digits than its factorization.

111563113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60423 (or 60380 counting only the distinct ones).

The product of its digits is 270, while the sum is 22.

The square root of 111563113 is about 10562.3441053584. The cubic root of 111563113 is about 481.4008743121.

The spelling of 111563113 in words is "one hundred eleven million, five hundred sixty-three thousand, one hundred thirteen".