42104112133 has 4 divisors (see below), whose sum is σ = 43934725728. Its totient is φ = 40273498540.

The previous prime is 42104112091. The next prime is 42104112137. The reversal of 42104112133 is 33121140124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42104112133 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 (42104112137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915306763 + ... + 915306808.

It is an arithmetic number, because the mean of its divisors is an integer number (10983681432).

Almost surely, 2^42104112133 is an apocalyptic number.

It is an amenable number.

42104112133 is a deficient number, since it is larger than the sum of its proper divisors (1830613595).

42104112133 is a wasteful number, since it uses less digits than its factorization.

42104112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830613594.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42104112133 its reverse (33121140124), we get a palindrome (75225252257).

The spelling of 42104112133 in words is "forty-two billion, one hundred four million, one hundred twelve thousand, one hundred thirty-three".