2543021242011 has 48 divisors (see below), whose sum is σ = 3861470995200. Its totient is φ = 1609579895616.

The previous prime is 2543021241953. The next prime is 2543021242049. The reversal of 2543021242011 is 1102421203452.

2543021242011 is a `hidden beast` number, since 2 + 5 + 430 + 2 + 1 + 24 + 201 + 1 = 666.

It is not a de Polignac number, because 2543021242011 - 2¹⁰ = 2543021240987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543021242211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160344000 + ... + 160359858.

It is an arithmetic number, because the mean of its divisors is an integer number (80447312400).

Almost surely, 2^{2543021242011} is an apocalyptic number.

2543021242011 is a deficient number, since it is larger than the sum of its proper divisors (1318449753189).

2543021242011 is a wasteful number, since it uses less digits than its factorization.

2543021242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600 (or 21597 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2543021242011 its reverse (1102421203452), we get a palindrome (3645442445463).

The spelling of 2543021242011 in words is "two trillion, five hundred forty-three billion, twenty-one million, two hundred forty-two thousand, eleven".