42112711 has 2 divisors, whose sum is σ = 42112712. Its totient is φ = 42112710.

The previous prime is 42112709. The next prime is 42112769. The reversal of 42112711 is 11721124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42112711 - 2¹ = 42112709 is a prime.

Together with 42112709, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21056355 + 21056356.

It is an arithmetic number, because the mean of its divisors is an integer number (21056356).

Almost surely, 2^42112711 is an apocalyptic number.

42112711 is a deficient number, since it is larger than the sum of its proper divisors (1).

42112711 is an equidigital number, since it uses as much as digits as its factorization.

42112711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112, while the sum is 19.

The square root of 42112711 is about 6489.4307146313. The cubic root of 42112711 is about 347.9133283738.

Adding to 42112711 its reverse (11721124), we get a palindrome (53833835).

The spelling of 42112711 in words is "forty-two million, one hundred twelve thousand, seven hundred eleven".