111117589 has 16 divisors (see below), whose sum is σ = 126227520. Its totient is φ = 96888960.

The previous prime is 111117583. The next prime is 111117631. The reversal of 111117589 is 985711111.

It is a cyclic number.

It is not a de Polignac number, because 111117589 - 2⁹ = 111117077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111117583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50929 + ... + 53065.

It is an arithmetic number, because the mean of its divisors is an integer number (7889220).

Almost surely, 2^111117589 is an apocalyptic number.

It is an amenable number.

111117589 is a deficient number, since it is larger than the sum of its proper divisors (15109931).

111117589 is a wasteful number, since it uses less digits than its factorization.

111117589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its digits is 2520, while the sum is 34.

The square root of 111117589 is about 10541.2328026659. The cubic root of 111117589 is about 480.7591993200.

The spelling of 111117589 in words is "one hundred eleven million, one hundred seventeen thousand, five hundred eighty-nine".