2152143111 has 8 divisors (see below), whose sum is σ = 2875163760. Its totient is φ = 1431942272.

The previous prime is 2152143107. The next prime is 2152143121. The reversal of 2152143111 is 1113412512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2152143111 - 2² = 2152143107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152143121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703170 + ... + 706223.

It is an arithmetic number, because the mean of its divisors is an integer number (359395470).

Almost surely, 2^2152143111 is an apocalyptic number.

2152143111 is a deficient number, since it is larger than the sum of its proper divisors (723020649).

2152143111 is a wasteful number, since it uses less digits than its factorization.

2152143111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409905.

The product of its digits is 240, while the sum is 21.

The square root of 2152143111 is about 46391.1964816602. The cubic root of 2152143111 is about 1291.0915807157.

Adding to 2152143111 its reverse (1113412512), we get a palindrome (3265555623).

The spelling of 2152143111 in words is "two billion, one hundred fifty-two million, one hundred forty-three thousand, one hundred eleven".