1131304335111 has 24 divisors (see below), whose sum is σ = 1639890956496. Its totient is φ = 751534692480.

The previous prime is 1131304335103. The next prime is 1131304335169. The reversal of 1131304335111 is 1115334031311.

1131304335111 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 304 + 3 + 351 + 1 + 1 = 666.

It is not a de Polignac number, because 1131304335111 - 2³ = 1131304335103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131304335181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8301721 + ... + 8436893.

It is an arithmetic number, because the mean of its divisors is an integer number (68328789854).

Almost surely, 2^{1131304335111} is an apocalyptic number.

1131304335111 is a deficient number, since it is larger than the sum of its proper divisors (508586621385).

1131304335111 is a wasteful number, since it uses less digits than its factorization.

1131304335111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138463 (or 138460 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 1131304335111 its reverse (1115334031311), we get a palindrome (2246638366422).

The spelling of 1131304335111 in words is "one trillion, one hundred thirty-one billion, three hundred four million, three hundred thirty-five thousand, one hundred eleven".