1131133313111 has 8 divisors (see below), whose sum is σ = 1191819295920. Its totient is φ = 1070562595392.

The previous prime is 1131133313081. The next prime is 1131133313153. The reversal of 1131133313111 is 1113133311311.

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 1131133313111 - 2¹⁸ = 1131133050967 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 (1131133333111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28796120 + ... + 28835373.

It is an arithmetic number, because the mean of its divisors is an integer number (148977411990).

Almost surely, 2^{1131133313111} is an apocalyptic number.

1131133313111 is a deficient number, since it is larger than the sum of its proper divisors (60685982809).

1131133313111 is a wasteful number, since it uses less digits than its factorization.

1131133313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57632545.

The product of its digits is 243, while the sum is 23.

Adding to 1131133313111 its reverse (1113133311311), we get a palindrome (2244266624422).

The spelling of 1131133313111 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred eleven".