42107811 has 8 divisors (see below), whose sum is σ = 57203280. Its totient is φ = 27542112.

The previous prime is 42107801. The next prime is 42107831. The reversal of 42107811 is 11870124.

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

It is not a de Polignac number, because 42107811 - 2¹⁰ = 42106787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42107801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132256 + ... + 132573.

It is an arithmetic number, because the mean of its divisors is an integer number (7150410).

Almost surely, 2^42107811 is an apocalyptic number.

42107811 is a deficient number, since it is larger than the sum of its proper divisors (15095469).

42107811 is a wasteful number, since it uses less digits than its factorization.

42107811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264885.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 42107811 is about 6489.0531666800. The cubic root of 42107811 is about 347.8998340994.

Adding to 42107811 its reverse (11870124), we get a palindrome (53977935).

It can be divided in two parts, 4210 and 7811, that added together give a palindrome (12021).

The spelling of 42107811 in words is "forty-two million, one hundred seven thousand, eight hundred eleven".