11331113023205 has 4 divisors (see below), whose sum is σ = 13597335627852. Its totient is φ = 9064890418560.

The previous prime is 11331113023199. The next prime is 11331113023211. The reversal of 11331113023205 is 50232031113311.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11331113023199) and next prime (11331113023211).

It can be written as a sum of positive squares in 2 ways, for example, as 7230581172676 + 4100531850529 = 2688974^2 + 2024977^2 .

It is not a de Polignac number, because 11331113023205 - 2⁴ = 11331113023189 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 3 ways as a sum of consecutive naturals, for example, 1133111302316 + ... + 1133111302325.

It is an arithmetic number, because the mean of its divisors is an integer number (3399333906963).

Almost surely, 2^{11331113023205} is an apocalyptic number.

It is an amenable number.

11331113023205 is a deficient number, since it is larger than the sum of its proper divisors (2266222604647).

11331113023205 is an equidigital number, since it uses as much as digits as its factorization.

11331113023205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266222604646.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 11331113023205 its reverse (50232031113311), we get a palindrome (61563144136516).

The spelling of 11331113023205 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirteen million, twenty-three thousand, two hundred five".