42511211 has 8 divisors (see below), whose sum is σ = 43391040. Its totient is φ = 41636808.

The previous prime is 42511177. The next prime is 42511229. The reversal of 42511211 is 11211524.

42511211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42511211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42511211.

It is not an unprimeable number, because it can be changed into a prime (42511241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16940 + ... + 19286.

It is an arithmetic number, because the mean of its divisors is an integer number (5423880).

Almost surely, 2^42511211 is an apocalyptic number.

42511211 is a deficient number, since it is larger than the sum of its proper divisors (879829).

42511211 is a wasteful number, since it uses less digits than its factorization.

42511211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713.

The product of its digits is 80, while the sum is 17.

The square root of 42511211 is about 6520.0621929549. The cubic root of 42511211 is about 349.0072849551.

Adding to 42511211 its reverse (11211524), we get a palindrome (53722735).

The spelling of 42511211 in words is "forty-two million, five hundred eleven thousand, two hundred eleven".