111320046 has 48 divisors (see below), whose sum is σ = 266501664. Its totient is φ = 33403392.

The previous prime is 111319997. The next prime is 111320047. The reversal of 111320046 is 640023111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320047) 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, 871 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (5552118).

Almost surely, 2^111320046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111320046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133250832).

111320046 is an abundant number, since it is smaller than the sum of its proper divisors (155181618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111320046 is a wasteful number, since it uses less digits than its factorization.

111320046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865 (or 15862 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 111320046 is about 10550.8315312112. The cubic root of 111320046 is about 481.0510043410.

Adding to 111320046 its reverse (640023111), we get a palindrome (751343157).

The spelling of 111320046 in words is "one hundred eleven million, three hundred twenty thousand, forty-six".