111748689 has 24 divisors (see below), whose sum is σ = 174224960. Its totient is φ = 68612832.

The previous prime is 111748669. The next prime is 111748691. The reversal of 111748689 is 986847111.

It is a happy number.

It is not a de Polignac number, because 111748689 - 2¹⁹ = 111224401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111748639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71652 + ... + 73194.

Almost surely, 2^111748689 is an apocalyptic number.

It is an amenable number.

111748689 is a deficient number, since it is larger than the sum of its proper divisors (62476271).

111748689 is a wasteful number, since it uses less digits than its factorization.

111748689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2178 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 111748689 is about 10571.1252475789. The cubic root of 111748689 is about 481.6676499436.

The spelling of 111748689 in words is "one hundred eleven million, seven hundred forty-eight thousand, six hundred eighty-nine".