1131141113111 has 2 divisors, whose sum is σ = 1131141113112. Its totient is φ = 1131141113110.

The previous prime is 1131141113009. The next prime is 1131141113147. The reversal of 1131141113111 is 1113111411311.

It is a happy number.

It is a m-pointer prime, because the next prime (1131141113147) can be obtained adding 1131141113111 to its product of digits (36).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131141113111 - 2³⁸ = 856263206167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131141113191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565570556555 + 565570556556.

It is an arithmetic number, because the mean of its divisors is an integer number (565570556556).

Almost surely, 2^{1131141113111} is an apocalyptic number.

1131141113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131141113111 is an equidigital number, since it uses as much as digits as its factorization.

1131141113111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 20.

Adding to 1131141113111 its reverse (1113111411311), we get a palindrome (2244252524422).

The spelling of 1131141113111 in words is "one trillion, one hundred thirty-one billion, one hundred forty-one million, one hundred thirteen thousand, one hundred eleven".