42810011 has 4 divisors (see below), whose sum is σ = 42827400. Its totient is φ = 42792624.

The previous prime is 42809981. The next prime is 42810017. The reversal of 42810011 is 11001824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42810011 - 2¹⁸ = 42547867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42810017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4241 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (10706850).

Almost surely, 2^42810011 is an apocalyptic number.

42810011 is a deficient number, since it is larger than the sum of its proper divisors (17389).

42810011 is a wasteful number, since it uses less digits than its factorization.

42810011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17388.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 42810011 is about 6542.9359617835. The cubic root of 42810011 is about 349.8230697579.

Adding to 42810011 its reverse (11001824), we get a palindrome (53811835).

The spelling of 42810011 in words is "forty-two million, eight hundred ten thousand, eleven".