47664656011 has 4 divisors (see below), whose sum is σ = 54473892592. Its totient is φ = 40855419432.

The previous prime is 47664655979. The next prime is 47664656029. The reversal of 47664656011 is 11065646674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11065646674 = 2 ⋅5532823337.

It is a cyclic number.

It is not a de Polignac number, because 47664656011 - 2⁵ = 47664655979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47664656111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3404618280 + ... + 3404618293.

It is an arithmetic number, because the mean of its divisors is an integer number (13618473148).

Almost surely, 2^47664656011 is an apocalyptic number.

47664656011 is a deficient number, since it is larger than the sum of its proper divisors (6809236581).

47664656011 is an equidigital number, since it uses as much as digits as its factorization.

47664656011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809236580.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 47664656011 in words is "forty-seven billion, six hundred sixty-four million, six hundred fifty-six thousand, eleven".