11321111321303 has 8 divisors (see below), whose sum is σ = 13500952631808. Its totient is φ = 9281904934104.

The previous prime is 11321111321287. The next prime is 11321111321437. The reversal of 11321111321303 is 30312311112311.

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 11321111321303 - 2⁴ = 11321111321287 is a prime.

It is a super-3 number, since 3×11321111321303³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321111321903) 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, 35158730651 + ... + 35158730972.

It is an arithmetic number, because the mean of its divisors is an integer number (1687619078976).

Almost surely, 2^{11321111321303} is an apocalyptic number.

11321111321303 is a deficient number, since it is larger than the sum of its proper divisors (2179841310505).

11321111321303 is an equidigital number, since it uses as much as digits as its factorization.

11321111321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70317461653.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11321111321303 its reverse (30312311112311), we get a palindrome (41633422433614).

The spelling of 11321111321303 in words is "eleven trillion, three hundred twenty-one billion, one hundred eleven million, three hundred twenty-one thousand, three hundred three".