10800111 has 16 divisors (see below), whose sum is σ = 16729088. Its totient is φ = 6069600.

The previous prime is 10800109. The next prime is 10800137. The reversal of 10800111 is 11100801.

It is a happy number.

It is not a de Polignac number, because 10800111 - 2¹ = 10800109 is a prime.

It is a super-2 number, since 2×10800111² = 233284795224642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10800191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (1045568).

Almost surely, 2^10800111 is an apocalyptic number.

10800111 is a deficient number, since it is larger than the sum of its proper divisors (5928977).

10800111 is an equidigital number, since it uses as much as digits as its factorization.

10800111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 10800111 is about 3286.3522330998. The cubic root of 10800111 is about 221.0426471890.

Adding to 10800111 its reverse (11100801), we get a palindrome (21900912).

The spelling of 10800111 in words is "ten million, eight hundred thousand, one hundred eleven".