2144111712 has 48 divisors (see below), whose sum is σ = 5642430192. Its totient is φ = 712908800.

The previous prime is 2144111707. The next prime is 2144111713. The reversal of 2144111712 is 2171114412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144111713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10648 + ... + 66344.

It is an arithmetic number, because the mean of its divisors is an integer number (117550629).

Almost surely, 2^2144111712 is an apocalyptic number.

It is an amenable number.

2144111712 is an abundant number, since it is smaller than the sum of its proper divisors (3498318480).

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

2144111712 is a wasteful number, since it uses less digits than its factorization.

2144111712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56111 (or 56103 counting only the distinct ones).

The product of its digits is 448, while the sum is 24.

The square root of 2144111712 is about 46304.5539013173. The cubic root of 2144111712 is about 1289.4835406309.

It can be divided in two parts, 21441 and 11712, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 2144111712 in words is "two billion, one hundred forty-four million, one hundred eleven thousand, seven hundred twelve".