2143055112 has 64 divisors (see below), whose sum is σ = 5943801600. Its totient is φ = 638399040.

The previous prime is 2143055093. The next prime is 2143055129. The reversal of 2143055112 is 2115503412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53218 + ... + 84369.

It is an arithmetic number, because the mean of its divisors is an integer number (92871900).

Almost surely, 2^2143055112 is an apocalyptic number.

2143055112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2143055112 is an abundant number, since it is smaller than the sum of its proper divisors (3800746488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143055112 is a wasteful number, since it uses less digits than its factorization.

2143055112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137666 (or 137662 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2143055112 is about 46293.1432503778. The cubic root of 2143055112 is about 1289.2716903237.

Adding to 2143055112 its reverse (2115503412), we get a palindrome (4258558524).

The spelling of 2143055112 in words is "two billion, one hundred forty-three million, fifty-five thousand, one hundred twelve".