1131013013111 has 2 divisors, whose sum is σ = 1131013013112. Its totient is φ = 1131013013110.

The previous prime is 1131013013089. The next prime is 1131013013183. The reversal of 1131013013111 is 1113103101311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131013013111 - 2⁶ = 1131013013047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131013013111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131013013411) 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 as a sum of consecutive naturals, namely, 565506506555 + 565506506556.

It is an arithmetic number, because the mean of its divisors is an integer number (565506506556).

Almost surely, 2^{1131013013111} is an apocalyptic number.

1131013013111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131013013111 is an equidigital number, since it uses as much as digits as its factorization.

1131013013111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 1131013013111 its reverse (1113103101311), we get a palindrome (2244116114422).

The spelling of 1131013013111 in words is "one trillion, one hundred thirty-one billion, thirteen million, thirteen thousand, one hundred eleven".