65015115 has 48 divisors (see below), whose sum is σ = 115716384. Its totient is φ = 31144960.

The previous prime is 65015101. The next prime is 65015117. The reversal of 65015115 is 51151056.

It is not a de Polignac number, because 65015115 - 2¹⁰ = 65014091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65015117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204937 + ... + 205253.

It is an arithmetic number, because the mean of its divisors is an integer number (2410758).

Almost surely, 2^65015115 is an apocalyptic number.

65015115 is a deficient number, since it is larger than the sum of its proper divisors (50701269).

65015115 is a wasteful number, since it uses less digits than its factorization.

65015115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 65015115 is about 8063.1950863166. The cubic root of 65015115 is about 402.1037392229.

The spelling of 65015115 in words is "sixty-five million, fifteen thousand, one hundred fifteen".