6550111065 has 16 divisors (see below), whose sum is σ = 10483070400. Its totient is φ = 3492428352.

The previous prime is 6550111063. The next prime is 6550111111. The reversal of 6550111065 is 5601110556.

It is not a de Polignac number, because 6550111065 - 2¹ = 6550111063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6550111063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2310 + ... + 114479.

It is an arithmetic number, because the mean of its divisors is an integer number (655191900).

Almost surely, 2^6550111065 is an apocalyptic number.

It is an amenable number.

6550111065 is a deficient number, since it is larger than the sum of its proper divisors (3932959335).

6550111065 is a wasteful number, since it uses less digits than its factorization.

6550111065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120536.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 6550111065 is about 80932.7564401460. The cubic root of 6550111065 is about 1871.0392066645.

The spelling of 6550111065 in words is "six billion, five hundred fifty million, one hundred eleven thousand, sixty-five".