865152300215 has 64 divisors (see below), whose sum is σ = 1233690974208. Its totient is φ = 570098995200.

The previous prime is 865152300179. The next prime is 865152300251. The reversal of 865152300215 is 512003251568.

It is an interprime number because it is at equal distance from previous prime (865152300179) and next prime (865152300251).

It is not a de Polignac number, because 865152300215 - 2¹² = 865152296119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132141572 + ... + 132148118.

It is an arithmetic number, because the mean of its divisors is an integer number (19276421472).

Almost surely, 2^865152300215 is an apocalyptic number.

865152300215 is a deficient number, since it is larger than the sum of its proper divisors (368538673993).

865152300215 is a wasteful number, since it uses less digits than its factorization.

865152300215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 865152300215 in words is "eight hundred sixty-five billion, one hundred fifty-two million, three hundred thousand, two hundred fifteen".