1111111093 has 4 divisors (see below), whose sum is σ = 1111214700. Its totient is φ = 1111007488.

The previous prime is 1111111087. The next prime is 1111111097. The reversal of 1111111093 is 3901111111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3901111111 = 163 ⋅23933197.

It can be written as a sum of positive squares in 2 ways, for example, as 730783089 + 380328004 = 27033^2 + 19502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111111093 - 2¹³ = 1111102901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111111093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111111097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33580 + ... + 57877.

It is an arithmetic number, because the mean of its divisors is an integer number (277803675).

Almost surely, 2^1111111093 is an apocalyptic number.

It is an amenable number.

1111111093 is a deficient number, since it is larger than the sum of its proper divisors (103607).

1111111093 is an equidigital number, since it uses as much as digits as its factorization.

1111111093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103606.

The product of its (nonzero) digits is 27, while the sum is 19.

The square root of 1111111093 is about 33333.3330616667. Note that the first 3 decimals coincide. The cubic root of 1111111093 is about 1035.7441630237.

The spelling of 1111111093 in words is "one billion, one hundred eleven million, one hundred eleven thousand, ninety-three".