2144253111 has 32 divisors (see below), whose sum is σ = 3838668288. Its totient is φ = 1028211840.

The previous prime is 2144253103. The next prime is 2144253157. The reversal of 2144253111 is 1113524412.

It is not a de Polignac number, because 2144253111 - 2³ = 2144253103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144253211) 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, 354016 + ... + 360021.

It is an arithmetic number, because the mean of its divisors is an integer number (119958384).

Almost surely, 2^2144253111 is an apocalyptic number.

2144253111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2144253111 is a deficient number, since it is larger than the sum of its proper divisors (1694415177).

2144253111 is a wasteful number, since it uses less digits than its factorization.

2144253111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714071.

The product of its digits is 960, while the sum is 24.

The square root of 2144253111 is about 46306.0807130122. The cubic root of 2144253111 is about 1289.5118861184.

Adding to 2144253111 its reverse (1113524412), we get a palindrome (3257777523).

It can be divided in two parts, 2144 and 253111, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 2144253111 in words is "two billion, one hundred forty-four million, two hundred fifty-three thousand, one hundred eleven".