2805065156 has 6 divisors (see below), whose sum is σ = 4908864030. Its totient is φ = 1402532576.

The previous prime is 2805065147. The next prime is 2805065167. The reversal of 2805065156 is 6515605082.

2805065156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2705664256 + 99400900 = 52016^2 + 9970^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350633141 + ... + 350633148.

It is an arithmetic number, because the mean of its divisors is an integer number (818144005).

Almost surely, 2^2805065156 is an apocalyptic number.

It is an amenable number.

2805065156 is a deficient number, since it is larger than the sum of its proper divisors (2103798874).

2805065156 is a wasteful number, since it uses less digits than its factorization.

2805065156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701266293 (or 701266291 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 2805065156 is about 52962.8658212525. The cubic root of 2805065156 is about 1410.3091312883.

The spelling of 2805065156 in words is "two billion, eight hundred five million, sixty-five thousand, one hundred fifty-six".