3115564820 has 24 divisors (see below), whose sum is σ = 6827151744. Its totient is φ = 1192042016.

The previous prime is 3115564817. The next prime is 3115564841. The reversal of 3115564820 is 284655113.

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, 3386024 + ... + 3386943.

It is an arithmetic number, because the mean of its divisors is an integer number (284464656).

Almost surely, 2^3115564820 is an apocalyptic number.

It is an amenable number.

3115564820 is an abundant number, since it is smaller than the sum of its proper divisors (3711586924).

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

3115564820 is a wasteful number, since it uses less digits than its factorization.

3115564820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772999 (or 6772997 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 3115564820 is about 55817.2448263079. The cubic root of 3115564820 is about 1460.5359919821.

The spelling of 3115564820 in words is "three billion, one hundred fifteen million, five hundred sixty-four thousand, eight hundred twenty".