65085558893159 has 16 divisors (see below), whose sum is σ = 74455602539328. Its totient is φ = 55733568106752.

The previous prime is 65085558893137. The next prime is 65085558893209. The reversal of 65085558893159 is 95139885558056.

It is a cyclic number.

It is not a de Polignac number, because 65085558893159 - 2¹² = 65085558889063 is a prime.

It is a super-2 number, since 2×65085558893159² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (77) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 65085558893159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65085558893119) 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, 28783757 + ... + 30962489.

It is an arithmetic number, because the mean of its divisors is an integer number (4653475158708).

Almost surely, 2^{65085558893159} is an apocalyptic number.

65085558893159 is a deficient number, since it is larger than the sum of its proper divisors (9370043646169).

65085558893159 is a wasteful number, since it uses less digits than its factorization.

65085558893159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182874.

The product of its (nonzero) digits is 2332800000, while the sum is 77.

The spelling of 65085558893159 in words is "sixty-five trillion, eighty-five billion, five hundred fifty-eight million, eight hundred ninety-three thousand, one hundred fifty-nine".