811043103 has 16 divisors (see below), whose sum is σ = 1167094656. Its totient is φ = 498023520.

The previous prime is 811043069. The next prime is 811043141. The reversal of 811043103 is 301340118.

811043103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 811043103 - 2⁹ = 811042591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 811043103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811043903) 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, 4053 + ... + 40478.

It is an arithmetic number, because the mean of its divisors is an integer number (72943416).

Almost surely, 2^811043103 is an apocalyptic number.

811043103 is a deficient number, since it is larger than the sum of its proper divisors (356051553).

811043103 is a wasteful number, since it uses less digits than its factorization.

811043103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45014.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 811043103 is about 28478.8184972621. The cubic root of 811043103 is about 932.5697237911.

The spelling of 811043103 in words is "eight hundred eleven million, forty-three thousand, one hundred three".