1115126111111 has 2 divisors, whose sum is σ = 1115126111112. Its totient is φ = 1115126111110.

The previous prime is 1115126111093. The next prime is 1115126111171. The reversal of 1115126111111 is 1111116215111.

It is a m-pointer prime, because the next prime (1115126111171) can be obtained adding 1115126111111 to its product of digits (60).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115126111111 - 2³⁴ = 1097946241927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115126111171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557563055555 + 557563055556.

It is an arithmetic number, because the mean of its divisors is an integer number (557563055556).

Almost surely, 2^{1115126111111} is an apocalyptic number.

1115126111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115126111111 is an equidigital number, since it uses as much as digits as its factorization.

1115126111111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60, while the sum is 23.

The spelling of 1115126111111 in words is "one trillion, one hundred fifteen billion, one hundred twenty-six million, one hundred eleven thousand, one hundred eleven".