65450655215 has 8 divisors (see below), whose sum is σ = 85680857808. Its totient is φ = 47600476480.

The previous prime is 65450655209. The next prime is 65450655239. The reversal of 65450655215 is 51255605456.

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

It is not a de Polignac number, because 65450655215 - 2²⁶ = 65383546351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595005902 + ... + 595006011.

It is an arithmetic number, because the mean of its divisors is an integer number (10710107226).

Almost surely, 2^65450655215 is an apocalyptic number.

65450655215 is a deficient number, since it is larger than the sum of its proper divisors (20230202593).

65450655215 is a wasteful number, since it uses less digits than its factorization.

65450655215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190011929.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 65450655215 in words is "sixty-five billion, four hundred fifty million, six hundred fifty-five thousand, two hundred fifteen".