811030081103 has 24 divisors (see below), whose sum is σ = 912622913328. Its totient is φ = 719999280000.

The previous prime is 811030081091. The next prime is 811030081153. The reversal of 811030081103 is 301180030118.

It is not a de Polignac number, because 811030081103 - 2⁴ = 811030081087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811030081153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437588 + ... + 1346678.

It is an arithmetic number, because the mean of its divisors is an integer number (38025954722).

Almost surely, 2^811030081103 is an apocalyptic number.

811030081103 is a deficient number, since it is larger than the sum of its proper divisors (101592832225).

811030081103 is a wasteful number, since it uses less digits than its factorization.

811030081103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909287 (or 909276 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

It can be divided in two parts, 8110300 and 81103, that multiplied together give a square (657769660900 = 811030²).

The spelling of 811030081103 in words is "eight hundred eleven billion, thirty million, eighty-one thousand, one hundred three".