2160869511 has 4 divisors (see below), whose sum is σ = 2881159352. Its totient is φ = 1440579672.

The previous prime is 2160869483. The next prime is 2160869533. The reversal of 2160869511 is 1159680612.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2160869511 - 2⁵ = 2160869479 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 2160869511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160869591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360144916 + ... + 360144921.

It is an arithmetic number, because the mean of its divisors is an integer number (720289838).

Almost surely, 2^2160869511 is an apocalyptic number.

2160869511 is a deficient number, since it is larger than the sum of its proper divisors (720289841).

2160869511 is an equidigital number, since it uses as much as digits as its factorization.

2160869511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720289840.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 2160869511 is about 46485.1536622178. The cubic root of 2160869511 is about 1292.8342448849.

It can be divided in two parts, 21608 and 69511, that added together give a palindrome (91119).

The spelling of 2160869511 in words is "two billion, one hundred sixty million, eight hundred sixty-nine thousand, five hundred eleven".