111066552 has 192 divisors, whose sum is σ = 342451200. Its totient is φ = 33592320.

The previous prime is 111066547. The next prime is 111066577. The reversal of 111066552 is 255660111.

It is a happy number.

111066552 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 6 + 655 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 47 ways as a sum of consecutive naturals, for example, 1144968 + ... + 1145064.

It is an arithmetic number, because the mean of its divisors is an integer number (1783600).

Almost surely, 2^111066552 is an apocalyptic number.

111066552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111066552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171225600).

111066552 is an abundant number, since it is smaller than the sum of its proper divisors (231384648).

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

111066552 is a wasteful number, since it uses less digits than its factorization.

111066552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 111066552 is about 10538.8116977200. The cubic root of 111066552 is about 480.6855828175.

The spelling of 111066552 in words is "one hundred eleven million, sixty-six thousand, five hundred fifty-two".