2065055161543 has 24 divisors (see below), whose sum is σ = 2325263625216. Its totient is φ = 1832019153360.

The previous prime is 2065055161523. The next prime is 2065055161549. The reversal of 2065055161543 is 3451615505602.

It is a happy number.

It is not a de Polignac number, because 2065055161543 - 2⁵ = 2065055161511 is a prime.

It is a super-2 number, since 2×2065055161543² (a number of 25 digits) contains 22 as substring.

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 2065055161543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065055161549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322855 + ... + 2057752.

It is an arithmetic number, because the mean of its divisors is an integer number (96885984384).

Almost surely, 2^{2065055161543} is an apocalyptic number.

2065055161543 is a deficient number, since it is larger than the sum of its proper divisors (260208463673).

2065055161543 is a wasteful number, since it uses less digits than its factorization.

2065055161543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380803 (or 2380792 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 2065055161543 in words is "two trillion, sixty-five billion, fifty-five million, one hundred sixty-one thousand, five hundred forty-three".