11331131333201 has 4 divisors (see below), whose sum is σ = 11332017213504. Its totient is φ = 11330245452900.

The previous prime is 11331131333167. The next prime is 11331131333209. The reversal of 11331131333201 is 10233313113311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331131333201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331131333209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442920965 + ... + 442946546.

It is an arithmetic number, because the mean of its divisors is an integer number (2833004303376).

Almost surely, 2^{11331131333201} is an apocalyptic number.

It is an amenable number.

11331131333201 is a deficient number, since it is larger than the sum of its proper divisors (885880303).

11331131333201 is an equidigital number, since it uses as much as digits as its factorization.

11331131333201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885880302.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 11331131333201 its reverse (10233313113311), we get a palindrome (21564444446512).

The spelling of 11331131333201 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred one".