3115686812 has 24 divisors (see below), whose sum is σ = 6502304256. Its totient is φ = 1277237808.

The previous prime is 3115686803. The next prime is 3115686841. The reversal of 3115686812 is 2186865113.

It is a self number, because there is not a number n which added to its sum of digits gives 3115686812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418368 + ... + 2419655.

It is an arithmetic number, because the mean of its divisors is an integer number (270929344).

Almost surely, 2^3115686812 is an apocalyptic number.

It is an amenable number.

3115686812 is an abundant number, since it is smaller than the sum of its proper divisors (3386617444).

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

3115686812 is a wasteful number, since it uses less digits than its factorization.

3115686812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838057 (or 4838055 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 3115686812 is about 55818.3375961700. The cubic root of 3115686812 is about 1460.5550544840. Note that the first 3 decimals are identical.

The spelling of 3115686812 in words is "three billion, one hundred fifteen million, six hundred eighty-six thousand, eight hundred twelve".