42163111 has 16 divisors (see below), whose sum is σ = 45895680. Its totient is φ = 38586240.

The previous prime is 42163097. The next prime is 42163123. The reversal of 42163111 is 11136124.

It is a cyclic number.

It is not a de Polignac number, because 42163111 - 2¹³ = 42154919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42163151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127216 + ... + 127546.

It is an arithmetic number, because the mean of its divisors is an integer number (2868480).

Almost surely, 2^42163111 is an apocalyptic number.

42163111 is a deficient number, since it is larger than the sum of its proper divisors (3732569).

42163111 is a wasteful number, since it uses less digits than its factorization.

42163111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 144, while the sum is 19.

The square root of 42163111 is about 6493.3127908642. The cubic root of 42163111 is about 348.0520659095.

Adding to 42163111 its reverse (11136124), we get a palindrome (53299235).

The spelling of 42163111 in words is "forty-two million, one hundred sixty-three thousand, one hundred eleven".