42016115 has 4 divisors (see below), whose sum is σ = 50419344. Its totient is φ = 33612888.

The previous prime is 42016109. The next prime is 42016151. The reversal of 42016115 is 51161024.

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 42016115 - 2¹⁴ = 41999731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201607 + ... + 4201616.

It is an arithmetic number, because the mean of its divisors is an integer number (12604836).

Almost surely, 2^42016115 is an apocalyptic number.

42016115 is a deficient number, since it is larger than the sum of its proper divisors (8403229).

42016115 is an equidigital number, since it uses as much as digits as its factorization.

42016115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8403228.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 42016115 is about 6481.9838784125. The cubic root of 42016115 is about 347.6471160812.

Adding to 42016115 its reverse (51161024), we get a palindrome (93177139).

The spelling of 42016115 in words is "forty-two million, sixteen thousand, one hundred fifteen".