2152545211 has 4 divisors (see below), whose sum is σ = 2154888400. Its totient is φ = 2150202024.

The previous prime is 2152545181. The next prime is 2152545217. The reversal of 2152545211 is 1125452512.

2152545211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2152545211 - 2⁹ = 2152544699 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 2152545211.

It is not an unprimeable number, because it can be changed into a prime (2152545217) 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, 1170216 + ... + 1172053.

It is an arithmetic number, because the mean of its divisors is an integer number (538722100).

Almost surely, 2^2152545211 is an apocalyptic number.

2152545211 is a deficient number, since it is larger than the sum of its proper divisors (2343189).

2152545211 is an equidigital number, since it uses as much as digits as its factorization.

2152545211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343188.

The product of its digits is 4000, while the sum is 28.

The square root of 2152545211 is about 46395.5300756441. The cubic root of 2152545211 is about 1291.1719836085.

Adding to 2152545211 its reverse (1125452512), we get a palindrome (3277997723).

The spelling of 2152545211 in words is "two billion, one hundred fifty-two million, five hundred forty-five thousand, two hundred eleven".