1118711111113 has 2 divisors, whose sum is σ = 1118711111114. Its totient is φ = 1118711111112.

The previous prime is 1118711111083. The next prime is 1118711111281. The reversal of 1118711111113 is 3111111178111.

It is a m-pointer prime, because the next prime (1118711111281) can be obtained adding 1118711111113 to its product of digits (168).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1054425029904 + 64286081209 = 1026852^2 + 253547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118711111113 - 2²⁵ = 1118677556681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118741111113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559355555556 + 559355555557.

It is an arithmetic number, because the mean of its divisors is an integer number (559355555557).

Almost surely, 2^{1118711111113} is an apocalyptic number.

It is an amenable number.

1118711111113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118711111113 is an equidigital number, since it uses as much as digits as its factorization.

1118711111113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 28.

Adding to 1118711111113 its reverse (3111111178111), we get a palindrome (4229822289224).

The spelling of 1118711111113 in words is "one trillion, one hundred eighteen billion, seven hundred eleven million, one hundred eleven thousand, one hundred thirteen".