64015115 has 16 divisors (see below), whose sum is σ = 81972000. Its totient is φ = 47823360.

The previous prime is 64015111. The next prime is 64015121. The reversal of 64015115 is 51151046.

64015115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64015115 - 2² = 64015111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64015111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8261 + ... + 14009.

It is an arithmetic number, because the mean of its divisors is an integer number (5123250).

Almost surely, 2^64015115 is an apocalyptic number.

64015115 is a deficient number, since it is larger than the sum of its proper divisors (17956885).

64015115 is a wasteful number, since it uses less digits than its factorization.

64015115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 64015115 is about 8000.9446317294. The cubic root of 64015115 is about 400.0314871047.

The spelling of 64015115 in words is "sixty-four million, fifteen thousand, one hundred fifteen".