2011243402143 has 12 divisors (see below), whose sum is σ = 2905141650840. Its totient is φ = 1340823261456.

The previous prime is 2011243402121. The next prime is 2011243402163. The reversal of 2011243402143 is 3412043421102.

2011243402143 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 243 + 402 + 14 + 3 = 666.

It is not a de Polignac number, because 2011243402143 - 2⁸ = 2011243401887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011243402163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3954405 + ... + 4433937.

It is an arithmetic number, because the mean of its divisors is an integer number (242095137570).

Almost surely, 2^{2011243402143} is an apocalyptic number.

2011243402143 is a deficient number, since it is larger than the sum of its proper divisors (893898248697).

2011243402143 is a wasteful number, since it uses less digits than its factorization.

2011243402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945558 (or 945555 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2011243402143 its reverse (3412043421102), we get a palindrome (5423286823245).

The spelling of 2011243402143 in words is "two trillion, eleven billion, two hundred forty-three million, four hundred two thousand, one hundred forty-three".