111081049 has 8 divisors (see below), whose sum is σ = 120960000. Its totient is φ = 101605392.

The previous prime is 111081041. The next prime is 111081059. The reversal of 111081049 is 940180111.

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

It is a cyclic number.

It is not a de Polignac number, because 111081049 - 2³ = 111081041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111081041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100249 + ... + 101350.

It is an arithmetic number, because the mean of its divisors is an integer number (15120000).

Almost surely, 2^111081049 is an apocalyptic number.

111081049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

111081049 is a deficient number, since it is larger than the sum of its proper divisors (9878951).

111081049 is a wasteful number, since it uses less digits than its factorization.

111081049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201647.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 111081049 is about 10539.4994662935. The cubic root of 111081049 is about 480.7064957915.

The spelling of 111081049 in words is "one hundred eleven million, eighty-one thousand, forty-nine".