2145535211 has 4 divisors (see below), whose sum is σ = 2146638000. Its totient is φ = 2144432424.

The previous prime is 2145535163. The next prime is 2145535237. The reversal of 2145535211 is 1125355412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145535211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145535261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548471 + ... + 552368.

It is an arithmetic number, because the mean of its divisors is an integer number (536659500).

Almost surely, 2^2145535211 is an apocalyptic number.

2145535211 is a deficient number, since it is larger than the sum of its proper divisors (1102789).

2145535211 is a wasteful number, since it uses less digits than its factorization.

2145535211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102788.

The product of its digits is 6000, while the sum is 29.

The square root of 2145535211 is about 46319.9223984669. The cubic root of 2145535211 is about 1289.7688448667.

The spelling of 2145535211 in words is "two billion, one hundred forty-five million, five hundred thirty-five thousand, two hundred eleven".