104042511 has 6 divisors (see below), whose sum is σ = 150283640. Its totient is φ = 69361668.

The previous prime is 104042507. The next prime is 104042527. The reversal of 104042511 is 115240401.

104042511 is a `hidden beast` number, since 10 + 404 + 251 + 1 = 666.

It is not a de Polignac number, because 104042511 - 2² = 104042507 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 (104042531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5780131 + ... + 5780148.

Almost surely, 2^104042511 is an apocalyptic number.

104042511 is a deficient number, since it is larger than the sum of its proper divisors (46241129).

104042511 is a wasteful number, since it uses less digits than its factorization.

104042511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11560285 (or 11560282 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 104042511 is about 10200.1230874926. The cubic root of 104042511 is about 470.3310041932.

Adding to 104042511 its reverse (115240401), we get a palindrome (219282912).

The spelling of 104042511 in words is "one hundred four million, forty-two thousand, five hundred eleven".