65215514008685 has 16 divisors (see below), whose sum is σ = 78277340908800. Its totient is φ = 52159929756480.

The previous prime is 65215514008627. The next prime is 65215514008747. The reversal of 65215514008685 is 58680041551256.

It is not a de Polignac number, because 65215514008685 - 2⁴⁰ = 64116002380909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65215514008685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471314891 + ... + 471453239.

It is an arithmetic number, because the mean of its divisors is an integer number (4892333806800).

Almost surely, 2^{65215514008685} is an apocalyptic number.

It is an amenable number.

65215514008685 is a deficient number, since it is larger than the sum of its proper divisors (13061826900115).

65215514008685 is a wasteful number, since it uses less digits than its factorization.

65215514008685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160228.

The product of its (nonzero) digits is 11520000, while the sum is 56.

The spelling of 65215514008685 in words is "sixty-five trillion, two hundred fifteen billion, five hundred fourteen million, eight thousand, six hundred eighty-five".