65061000215 has 8 divisors (see below), whose sum is σ = 78074575488. Its totient is φ = 52047883360.

The previous prime is 65061000209. The next prime is 65061000229. The reversal of 65061000215 is 51200016056.

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

It is not a de Polignac number, because 65061000215 - 2⁸ = 65060999959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455105 + ... + 580725.

It is an arithmetic number, because the mean of its divisors is an integer number (9759321936).

Almost surely, 2^65061000215 is an apocalyptic number.

65061000215 is a deficient number, since it is larger than the sum of its proper divisors (13013575273).

65061000215 is a wasteful number, since it uses less digits than its factorization.

65061000215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229209.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 65061000215 in words is "sixty-five billion, sixty-one million, two hundred fifteen", and thus it is an aban number.