1131301320111 has 8 divisors (see below), whose sum is σ = 1676001955760. Its totient is φ = 754200880056.

The previous prime is 1131301320067. The next prime is 1131301320133. The reversal of 1131301320111 is 1110231031311.

1131301320111 is a `hidden beast` number, since 1 + 1 + 31 + 301 + 320 + 1 + 11 = 666.

It is not a de Polignac number, because 1131301320111 - 2¹⁰ = 1131301319087 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 (1131301320811) 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, 20950024420 + ... + 20950024473.

It is an arithmetic number, because the mean of its divisors is an integer number (209500244470).

Almost surely, 2^{1131301320111} is an apocalyptic number.

1131301320111 is a deficient number, since it is larger than the sum of its proper divisors (544700635649).

1131301320111 is an equidigital number, since it uses as much as digits as its factorization.

1131301320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41900048902 (or 41900048896 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1131301320111 its reverse (1110231031311), we get a palindrome (2241532351422).

The spelling of 1131301320111 in words is "one trillion, one hundred thirty-one billion, three hundred one million, three hundred twenty thousand, one hundred eleven".