6565511116 has 6 divisors (see below), whose sum is σ = 11489644460. Its totient is φ = 3282755556.

The previous prime is 6565511093. The next prime is 6565511137. The reversal of 6565511116 is 6111155656.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820688886 + ... + 820688893.

Almost surely, 2^6565511116 is an apocalyptic number.

It is an amenable number.

6565511116 is a deficient number, since it is larger than the sum of its proper divisors (4924133344).

6565511116 is a wasteful number, since it uses less digits than its factorization.

6565511116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641377783 (or 1641377781 counting only the distinct ones).

The product of its digits is 27000, while the sum is 37.

The square root of 6565511116 is about 81027.8416101527. The cubic root of 6565511116 is about 1872.5044004928.

It can be divided in two parts, 65 and 65511116, that added together give a triangular number (65511181 = T₁₁₄₄₆).

The spelling of 6565511116 in words is "six billion, five hundred sixty-five million, five hundred eleven thousand, one hundred sixteen".