2065551115 has 8 divisors (see below), whose sum is σ = 2479268880. Its totient is φ = 1652035872.

The previous prime is 2065551083. The next prime is 2065551121. The reversal of 2065551115 is 5111555602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2065551115 - 2⁵ = 2065551083 is a prime.

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, 27204 + ... + 69793.

It is an arithmetic number, because the mean of its divisors is an integer number (309908610).

Almost surely, 2^2065551115 is an apocalyptic number.

2065551115 is a deficient number, since it is larger than the sum of its proper divisors (413717765).

2065551115 is an equidigital number, since it uses as much as digits as its factorization.

2065551115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101261.

The product of its (nonzero) digits is 7500, while the sum is 31.

The square root of 2065551115 is about 45448.3345679465. The cubic root of 2065551115 is about 1273.5382175745.

The spelling of 2065551115 in words is "two billion, sixty-five million, five hundred fifty-one thousand, one hundred fifteen".