2543240522211 has 4 divisors (see below), whose sum is σ = 3390987362952. Its totient is φ = 1695493681472.

The previous prime is 2543240522201. The next prime is 2543240522219. The reversal of 2543240522211 is 1122250423452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2543240522211 - 2²¹ = 2543238425059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543240522219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 423873420366 + ... + 423873420371.

It is an arithmetic number, because the mean of its divisors is an integer number (847746840738).

Almost surely, 2^{2543240522211} is an apocalyptic number.

2543240522211 is a deficient number, since it is larger than the sum of its proper divisors (847746840741).

2543240522211 is an equidigital number, since it uses as much as digits as its factorization.

2543240522211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847746840740.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 2543240522211 its reverse (1122250423452), we get a palindrome (3665490945663).

The spelling of 2543240522211 in words is "two trillion, five hundred forty-three billion, two hundred forty million, five hundred twenty-two thousand, two hundred eleven".