2165080353009 has 32 divisors (see below), whose sum is σ = 3371176765440. Its totient is φ = 1210452297600.

The previous prime is 2165080352989. The next prime is 2165080353043. The reversal of 2165080353009 is 9003530805612.

It is not a de Polignac number, because 2165080353009 - 2⁵ = 2165080352977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2165080351009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5347044 + ... + 5737685.

It is an arithmetic number, because the mean of its divisors is an integer number (105349273920).

Almost surely, 2^{2165080353009} is an apocalyptic number.

It is an amenable number.

2165080353009 is a deficient number, since it is larger than the sum of its proper divisors (1206096412431).

2165080353009 is a wasteful number, since it uses less digits than its factorization.

2165080353009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084941.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 2165080353009 in words is "two trillion, one hundred sixty-five billion, eighty million, three hundred fifty-three thousand, nine".