6155968111 has 2 divisors, whose sum is σ = 6155968112. Its totient is φ = 6155968110.

The previous prime is 6155968097. The next prime is 6155968123. The reversal of 6155968111 is 1118695516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6155968111 - 2²⁵ = 6122413679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6155963111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077984055 + 3077984056.

It is an arithmetic number, because the mean of its divisors is an integer number (3077984056).

Almost surely, 2^6155968111 is an apocalyptic number.

6155968111 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155968111 is an equidigital number, since it uses as much as digits as its factorization.

6155968111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 43.

The square root of 6155968111 is about 78459.9777657374. The cubic root of 6155968111 is about 1832.7312586687.

The spelling of 6155968111 in words is "six billion, one hundred fifty-five million, nine hundred sixty-eight thousand, one hundred eleven".