611153116111 has 2 divisors, whose sum is σ = 611153116112. Its totient is φ = 611153116110.

The previous prime is 611153116039. The next prime is 611153116121. The reversal of 611153116111 is 111611351116.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611153116111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611153116111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611153116121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305576558055 + 305576558056.

It is an arithmetic number, because the mean of its divisors is an integer number (305576558056).

Almost surely, 2^611153116111 is an apocalyptic number.

611153116111 is a deficient number, since it is larger than the sum of its proper divisors (1).

611153116111 is an equidigital number, since it uses as much as digits as its factorization.

611153116111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 28.

Adding to 611153116111 its reverse (111611351116), we get a palindrome (722764467227).

The spelling of 611153116111 in words is "six hundred eleven billion, one hundred fifty-three million, one hundred sixteen thousand, one hundred eleven".