6115605611 has 4 divisors (see below), whose sum is σ = 6120758952. Its totient is φ = 6110452272.

The previous prime is 6115605593. The next prime is 6115605659. The reversal of 6115605611 is 1165065116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6115605611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6115605311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2574890 + ... + 2577263.

It is an arithmetic number, because the mean of its divisors is an integer number (1530189738).

Almost surely, 2^6115605611 is an apocalyptic number.

6115605611 is a deficient number, since it is larger than the sum of its proper divisors (5153341).

6115605611 is a wasteful number, since it uses less digits than its factorization.

6115605611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153340.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 6115605611 is about 78202.3376313010. The cubic root of 6115605611 is about 1828.7169493834.

The spelling of 6115605611 in words is "six billion, one hundred fifteen million, six hundred five thousand, six hundred eleven".