47658165911 has 4 divisors (see below), whose sum is σ = 47672051712. Its totient is φ = 47644280112.

The previous prime is 47658165889. The next prime is 47658165941. The reversal of 47658165911 is 11956185674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11956185674 = 2 ⋅5978092837.

It is a cyclic number.

It is not a de Polignac number, because 47658165911 - 2²⁶ = 47591057047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47658165941) 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, 6937751 + ... + 6944616.

It is an arithmetic number, because the mean of its divisors is an integer number (11918012928).

Almost surely, 2^47658165911 is an apocalyptic number.

47658165911 is a deficient number, since it is larger than the sum of its proper divisors (13885801).

47658165911 is a wasteful number, since it uses less digits than its factorization.

47658165911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885800.

The product of its digits is 1814400, while the sum is 53.

The spelling of 47658165911 in words is "forty-seven billion, six hundred fifty-eight million, one hundred sixty-five thousand, nine hundred eleven".