11000013205 has 8 divisors (see below), whose sum is σ = 13521967704. Its totient is φ = 8585376000.

The previous prime is 11000013139. The next prime is 11000013221. The reversal of 11000013205 is 50231000011.

It can be written as a sum of positive squares in 4 ways, for example, as 899160196 + 10100853009 = 29986^2 + 100503^2 .

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

It is not a de Polignac number, because 11000013205 - 2¹⁷ = 10999882133 is a prime.

It is a Duffinian number.

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, 26829096 + ... + 26829505.

It is an arithmetic number, because the mean of its divisors is an integer number (1690245963).

Almost surely, 2^11000013205 is an apocalyptic number.

It is an amenable number.

11000013205 is a deficient number, since it is larger than the sum of its proper divisors (2521954499).

11000013205 is an equidigital number, since it uses as much as digits as its factorization.

11000013205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53658647.

The product of its (nonzero) digits is 30, while the sum is 13.

Adding to 11000013205 its reverse (50231000011), we get a palindrome (61231013216).

The spelling of 11000013205 in words is "eleven billion, thirteen thousand, two hundred five".