42380011 has 2 divisors, whose sum is σ = 42380012. Its totient is φ = 42380010.

The previous prime is 42380003. The next prime is 42380029. The reversal of 42380011 is 11008324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42380011 - 2³ = 42380003 is a prime.

It is not a weakly prime, because it can be changed into another prime (42380081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21190005 + 21190006.

It is an arithmetic number, because the mean of its divisors is an integer number (21190006).

Almost surely, 2^42380011 is an apocalyptic number.

42380011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42380011 is an equidigital number, since it uses as much as digits as its factorization.

42380011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 42380011 is about 6509.9931643589. The cubic root of 42380011 is about 348.6478743292.

Adding to 42380011 its reverse (11008324), we get a palindrome (53388335).

The spelling of 42380011 in words is "forty-two million, three hundred eighty thousand, eleven".