12003311311 has 8 divisors (see below), whose sum is σ = 12056554224. Its totient is φ = 11950097280.

The previous prime is 12003311291. The next prime is 12003311317. The reversal of 12003311311 is 11311330021.

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 12003311311 - 2⁷ = 12003311183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003311317) 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, 1519905 + ... + 1527781.

It is an arithmetic number, because the mean of its divisors is an integer number (1507069278).

Almost surely, 2^12003311311 is an apocalyptic number.

12003311311 is a deficient number, since it is larger than the sum of its proper divisors (53242913).

12003311311 is an equidigital number, since it uses as much as digits as its factorization.

12003311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12003311311 its reverse (11311330021), we get a palindrome (23314641332).

The spelling of 12003311311 in words is "twelve billion, three million, three hundred eleven thousand, three hundred eleven".