881111 has 8 divisors (see below), whose sum is σ = 1098624. Its totient is φ = 686520.

The previous prime is 881099. The next prime is 881119. The reversal of 881111 is 111188.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881111 is a prime.

It is a Duffinian number.

881111 is a modest number, since divided by 1111 gives 88 as remainder.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645 + ... + 5798.

It is an arithmetic number, because the mean of its divisors is an integer number (137328).

2⁸⁸¹¹¹¹ is an apocalyptic number.

881111 is a deficient number, since it is larger than the sum of its proper divisors (217513).

881111 is a wasteful number, since it uses less digits than its factorization.

881111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11461.

The product of its digits is 64, while the sum is 20.

The square root of 881111 is about 938.6751301702. The cubic root of 881111 is about 95.8687079657.

Adding to 881111 its reverse (111188), we get a palindrome (992299).

The spelling of 881111 in words is "eight hundred eighty-one thousand, one hundred eleven".