47111 has 2 divisors, whose sum is σ = 47112. Its totient is φ = 47110.

The previous prime is 47093. The next prime is 47119. The reversal of 47111 is 11174.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47111 - 2¹⁴ = 30727 is a prime.

It is a Chen prime.

It is an Ulam number.

47111 is a modest number, since divided by 111 gives 47 as remainder.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47111.

It is not a weakly prime, because it can be changed into another prime (47119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23555 + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (23556).

2⁴⁷¹¹¹ is an apocalyptic number.

47111 is a deficient number, since it is larger than the sum of its proper divisors (1).

47111 is an equidigital number, since it uses as much as digits as its factorization.

47111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28, while the sum is 14.

The square root of 47111 is about 217.0506853249. The cubic root of 47111 is about 36.1166483729.

Adding to 47111 its reverse (11174), we get a palindrome (58285).

Subtracting from 47111 its reverse (11174), we obtain a cube (35937 = 33³).

The spelling of 47111 in words is "forty-seven thousand, one hundred eleven", and thus it is an iban number.