11011311859111 has 2 divisors, whose sum is σ = 11011311859112. Its totient is φ = 11011311859110.

The previous prime is 11011311859091. The next prime is 11011311859133. The reversal of 11011311859111 is 11195811311011.

It is a happy number.

11011311859111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011311859111 is a prime.

It is a super-2 number, since 2×11011311859111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011311859181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505655929555 + 5505655929556.

It is an arithmetic number, because the mean of its divisors is an integer number (5505655929556).

Almost surely, 2^{11011311859111} is an apocalyptic number.

11011311859111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011311859111 is an equidigital number, since it uses as much as digits as its factorization.

11011311859111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 34.

The spelling of 11011311859111 in words is "eleven trillion, eleven billion, three hundred eleven million, eight hundred fifty-nine thousand, one hundred eleven".