65855500005 has 8 divisors (see below), whose sum is σ = 105368800032. Its totient is φ = 35122933328.

The previous prime is 65855500003. The next prime is 65855500027. The reversal of 65855500005 is 50000555856.

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

It is a cyclic number.

It is not a de Polignac number, because 65855500005 - 2¹ = 65855500003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65855500003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195183319 + ... + 2195183348.

It is an arithmetic number, because the mean of its divisors is an integer number (13171100004).

Almost surely, 2^65855500005 is an apocalyptic number.

It is an amenable number.

65855500005 is a deficient number, since it is larger than the sum of its proper divisors (39513300027).

65855500005 is a wasteful number, since it uses less digits than its factorization.

65855500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390366675.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 65855500005 in words is "sixty-five billion, eight hundred fifty-five million, five hundred thousand, five".