115711836 has 12 divisors (see below), whose sum is σ = 269994312. Its totient is φ = 38570608.

The previous prime is 115711829. The next prime is 115711861. The reversal of 115711836 is 638117511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 115711797 and 115711806.

It is a congruent number.

It is an unprimeable number.

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, 4821315 + ... + 4821338.

It is an arithmetic number, because the mean of its divisors is an integer number (22499526).

Almost surely, 2^115711836 is an apocalyptic number.

It is an amenable number.

115711836 is an abundant number, since it is smaller than the sum of its proper divisors (154282476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115711836 is a wasteful number, since it uses less digits than its factorization.

115711836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642660 (or 9642658 counting only the distinct ones).

The product of its digits is 5040, while the sum is 33.

The square root of 115711836 is about 10756.9436179614. The cubic root of 115711836 is about 487.2957176967.

The spelling of 115711836 in words is "one hundred fifteen million, seven hundred eleven thousand, eight hundred thirty-six".