11331531052005 has 8 divisors (see below), whose sum is σ = 18130449683232. Its totient is φ = 6043483227728.

The previous prime is 11331531051959. The next prime is 11331531052007. The reversal of 11331531052005 is 50025013513311.

11331531052005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11331531052005 - 2⁶ = 11331531051941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331531052007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377717701719 + ... + 377717701748.

It is an arithmetic number, because the mean of its divisors is an integer number (2266306210404).

Almost surely, 2^{11331531052005} is an apocalyptic number.

11331531052005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11331531052005 is a deficient number, since it is larger than the sum of its proper divisors (6798918631227).

11331531052005 is an equidigital number, since it uses as much as digits as its factorization.

11331531052005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755435403475.

The product of its (nonzero) digits is 6750, while the sum is 30.

Adding to 11331531052005 its reverse (50025013513311), we get a palindrome (61356544565316).

The spelling of 11331531052005 in words is "eleven trillion, three hundred thirty-one billion, five hundred thirty-one million, fifty-two thousand, five".