2011543344112 has 40 divisors (see below), whose sum is σ = 3941367847920. Its totient is φ = 994417374720.

The previous prime is 2011543344079. The next prime is 2011543344119. The reversal of 2011543344112 is 2114433451102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011543344119) 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, 46177062 + ... + 46220602.

It is an arithmetic number, because the mean of its divisors is an integer number (98534196198).

Almost surely, 2^{2011543344112} is an apocalyptic number.

It is an amenable number.

2011543344112 is a deficient number, since it is larger than the sum of its proper divisors (1929824503808).

2011543344112 is a wasteful number, since it uses less digits than its factorization.

2011543344112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76081 (or 76075 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 2011543344112 its reverse (2114433451102), we get a palindrome (4125976795214).

The spelling of 2011543344112 in words is "two trillion, eleven billion, five hundred forty-three million, three hundred forty-four thousand, one hundred twelve".