111478356 has 120 divisors (see below), whose sum is σ = 328500480. Its totient is φ = 32659200.

The previous prime is 111478351. The next prime is 111478357. The reversal of 111478356 is 653874111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 111478356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111478351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 109980 + ... + 110988.

It is an arithmetic number, because the mean of its divisors is an integer number (2737504).

Almost surely, 2^111478356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111478356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164250240).

111478356 is an abundant number, since it is smaller than the sum of its proper divisors (217022124).

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

111478356 is a wasteful number, since it uses less digits than its factorization.

111478356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1056 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 111478356 is about 10558.3311181266. The cubic root of 111478356 is about 481.2789330781.

It can be divided in two parts, 11147 and 8356, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 111478356 in words is "one hundred eleven million, four hundred seventy-eight thousand, three hundred fifty-six".