6542632511 has 2 divisors, whose sum is σ = 6542632512. Its totient is φ = 6542632510.

The previous prime is 6542632487. The next prime is 6542632513. The reversal of 6542632511 is 1152362456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6542632511 - 2¹⁴ = 6542616127 is a prime.

It is a Sophie Germain prime.

Together with 6542632513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6542632513) 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 as a sum of consecutive naturals, namely, 3271316255 + 3271316256.

It is an arithmetic number, because the mean of its divisors is an integer number (3271316256).

Almost surely, 2^6542632511 is an apocalyptic number.

6542632511 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542632511 is an equidigital number, since it uses as much as digits as its factorization.

6542632511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 6542632511 is about 80886.5409756160. The cubic root of 6542632511 is about 1870.3268525107.

Adding to 6542632511 its reverse (1152362456), we get a palindrome (7694994967).

The spelling of 6542632511 in words is "six billion, five hundred forty-two million, six hundred thirty-two thousand, five hundred eleven".