6541342511 has 4 divisors (see below), whose sum is σ = 7136010024. Its totient is φ = 5946675000.

The previous prime is 6541342469. The next prime is 6541342579. The reversal of 6541342511 is 1152431456.

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 6541342511 - 2⁶ = 6541342447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541342711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297333740 + ... + 297333761.

It is an arithmetic number, because the mean of its divisors is an integer number (1784002506).

Almost surely, 2^6541342511 is an apocalyptic number.

6541342511 is a deficient number, since it is larger than the sum of its proper divisors (594667513).

6541342511 is a wasteful number, since it uses less digits than its factorization.

6541342511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594667512.

The product of its digits is 14400, while the sum is 32.

The square root of 6541342511 is about 80878.5664499563. The cubic root of 6541342511 is about 1870.2039213499.

Adding to 6541342511 its reverse (1152431456), we get a palindrome (7693773967).

The spelling of 6541342511 in words is "six billion, five hundred forty-one million, three hundred forty-two thousand, five hundred eleven".