65110001605 has 16 divisors (see below), whose sum is σ = 88940778624. Its totient is φ = 45293913280.

The previous prime is 65110001599. The next prime is 65110001609. The reversal of 65110001605 is 50610001156.

It is not a de Polignac number, because 65110001605 - 2⁵ = 65110001573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65110001605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65110001609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25733914 + ... + 25736443.

It is an arithmetic number, because the mean of its divisors is an integer number (5558798664).

Almost surely, 2^65110001605 is an apocalyptic number.

It is an amenable number.

65110001605 is a deficient number, since it is larger than the sum of its proper divisors (23830777019).

65110001605 is a wasteful number, since it uses less digits than its factorization.

65110001605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51470396.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 65110001605 in words is "sixty-five billion, one hundred ten million, one thousand, six hundred five".