801828111 has 12 divisors (see below), whose sum is σ = 1243651992. Its totient is φ = 458187408.

The previous prime is 801828109. The next prime is 801828119. The reversal of 801828111 is 111828108.

It is not a de Polignac number, because 801828111 - 2¹ = 801828109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801828119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2727160 + ... + 2727453.

It is an arithmetic number, because the mean of its divisors is an integer number (103637666).

Almost surely, 2^801828111 is an apocalyptic number.

801828111 is a deficient number, since it is larger than the sum of its proper divisors (441823881).

801828111 is a wasteful number, since it uses less digits than its factorization.

801828111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454630 (or 5454623 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 30.

The square root of 801828111 is about 28316.5695485876. The cubic root of 801828111 is about 929.0243404229.

The spelling of 801828111 in words is "eight hundred one million, eight hundred twenty-eight thousand, one hundred eleven".