6541122506 has 16 divisors (see below), whose sum is σ = 9953134848. Its totient is φ = 3223441200.

The previous prime is 6541122491. The next prime is 6541122527. The reversal of 6541122506 is 6052211456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598511 + ... + 609341.

It is an arithmetic number, because the mean of its divisors is an integer number (622070928).

Almost surely, 2^6541122506 is an apocalyptic number.

6541122506 is a deficient number, since it is larger than the sum of its proper divisors (3412012342).

6541122506 is a wasteful number, since it uses less digits than its factorization.

6541122506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15157.

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

The square root of 6541122506 is about 80877.2063439385. The cubic root of 6541122506 is about 1870.1829542561.

The spelling of 6541122506 in words is "six billion, five hundred forty-one million, one hundred twenty-two thousand, five hundred six".