8136605111 has 4 divisors (see below), whose sum is σ = 8147440224. Its totient is φ = 8125770000.

The previous prime is 8136605047. The next prime is 8136605131. The reversal of 8136605111 is 1115066318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115066318 = 2 ⋅557533159.

It is a cyclic number.

It is not a de Polignac number, because 8136605111 - 2⁶ = 8136605047 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 (8136605131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5416430 + ... + 5417931.

It is an arithmetic number, because the mean of its divisors is an integer number (2036860056).

Almost surely, 2^8136605111 is an apocalyptic number.

8136605111 is a deficient number, since it is larger than the sum of its proper divisors (10835113).

8136605111 is a wasteful number, since it uses less digits than its factorization.

8136605111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835112.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 8136605111 is about 90203.1324899529. The cubic root of 8136605111 is about 2011.3195720273.

The spelling of 8136605111 in words is "eight billion, one hundred thirty-six million, six hundred five thousand, one hundred eleven".