6109111863 has 6 divisors (see below), whose sum is σ = 8824272704. Its totient is φ = 4072741236.

The previous prime is 6109111843. The next prime is 6109111901. The reversal of 6109111863 is 3681119016.

It is a happy number.

It is not a de Polignac number, because 6109111863 - 2¹⁶ = 6109046327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6109111843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339395095 + ... + 339395112.

Almost surely, 2^6109111863 is an apocalyptic number.

6109111863 is a deficient number, since it is larger than the sum of its proper divisors (2715160841).

6109111863 is a wasteful number, since it uses less digits than its factorization.

6109111863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678790213 (or 678790210 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 6109111863 is about 78160.8077171673. The cubic root of 6109111863 is about 1828.0694565356.

The spelling of 6109111863 in words is "six billion, one hundred nine million, one hundred eleven thousand, eight hundred sixty-three".