47112911 has 2 divisors, whose sum is σ = 47112912. Its totient is φ = 47112910.

The previous prime is 47112893. The next prime is 47112931. The reversal of 47112911 is 11921174.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47112911 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47112931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23556455 + 23556456.

It is an arithmetic number, because the mean of its divisors is an integer number (23556456).

Almost surely, 2^47112911 is an apocalyptic number.

47112911 is a deficient number, since it is larger than the sum of its proper divisors (1).

47112911 is an equidigital number, since it uses as much as digits as its factorization.

47112911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 26.

The square root of 47112911 is about 6863.8845415697. The cubic root of 47112911 is about 361.1713670881.

The spelling of 47112911 in words is "forty-seven million, one hundred twelve thousand, nine hundred eleven".