2011143142405 has 8 divisors (see below), whose sum is σ = 2478598035192. Its totient is φ = 1565430337728.

The previous prime is 2011143142391. The next prime is 2011143142417. The reversal of 2011143142405 is 5042413411102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 437024122084 + 1574119020321 = 661078^2 + 1254639^2 .

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 2011143142405 - 2¹⁷ = 2011143011333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5435521822 + ... + 5435522191.

It is an arithmetic number, because the mean of its divisors is an integer number (309824754399).

Almost surely, 2^{2011143142405} is an apocalyptic number.

It is an amenable number.

2011143142405 is a deficient number, since it is larger than the sum of its proper divisors (467454892787).

2011143142405 is a wasteful number, since it uses less digits than its factorization.

2011143142405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871044055.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 2011143142405 its reverse (5042413411102), we get a palindrome (7053556553507).

The spelling of 2011143142405 in words is "two trillion, eleven billion, one hundred forty-three million, one hundred forty-two thousand, four hundred five".