111354441 has 8 divisors (see below), whose sum is σ = 161970144. Its totient is φ = 67487520.

The previous prime is 111354427. The next prime is 111354443. The reversal of 111354441 is 144453111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111354441 - 2⁵ = 111354409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111354443) 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 7 ways as a sum of consecutive naturals, for example, 1687156 + ... + 1687221.

It is an arithmetic number, because the mean of its divisors is an integer number (20246268).

Almost surely, 2^111354441 is an apocalyptic number.

111354441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111354441 is a deficient number, since it is larger than the sum of its proper divisors (50615703).

111354441 is a wasteful number, since it uses less digits than its factorization.

111354441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374391.

The product of its digits is 960, while the sum is 24.

The square root of 111354441 is about 10552.4613716422. The cubic root of 111354441 is about 481.1005433237.

It can be divided in two parts, 11135 and 4441, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 111354441 in words is "one hundred eleven million, three hundred fifty-four thousand, four hundred forty-one".