6111156011 has 2 divisors, whose sum is σ = 6111156012. Its totient is φ = 6111156010.

The previous prime is 6111155987. The next prime is 6111156013. The reversal of 6111156011 is 1106511116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6111156011 is a prime.

Together with 6111156013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6111156013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055578005 + 3055578006.

It is an arithmetic number, because the mean of its divisors is an integer number (3055578006).

Almost surely, 2^6111156011 is an apocalyptic number.

6111156011 is a deficient number, since it is larger than the sum of its proper divisors (1).

6111156011 is an equidigital number, since it uses as much as digits as its factorization.

6111156011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 23.

The square root of 6111156011 is about 78173.8831771839. The cubic root of 6111156011 is about 1828.2733283854.

Adding to 6111156011 its reverse (1106511116), we get a palindrome (7217667127).

The spelling of 6111156011 in words is "six billion, one hundred eleven million, one hundred fifty-six thousand, eleven".