1111320205 has 8 divisors (see below), whose sum is σ = 1333899000. Its totient is φ = 888846336.

The previous prime is 1111320179. The next prime is 1111320229. The reversal of 1111320205 is 5020231111.

1111320205 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 144048004 + 967272201 = 12002^2 + 31101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111320205 - 2²³ = 1102931597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660 + ... + 47149.

It is an arithmetic number, because the mean of its divisors is an integer number (166737375).

Almost surely, 2^1111320205 is an apocalyptic number.

It is an amenable number.

1111320205 is a deficient number, since it is larger than the sum of its proper divisors (222578795).

1111320205 is an equidigital number, since it uses as much as digits as its factorization.

1111320205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52463.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1111320205 is about 33336.4695941247. The cubic root of 1111320205 is about 1035.8091349091.

Adding to 1111320205 its reverse (5020231111), we get a palindrome (6131551316).

The spelling of 1111320205 in words is "one billion, one hundred eleven million, three hundred twenty thousand, two hundred five".