42041121141 has 4 divisors (see below), whose sum is σ = 56054828192. Its totient is φ = 28027414092.

The previous prime is 42041121121. The next prime is 42041121163. The reversal of 42041121141 is 14112114024.

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 not a de Polignac number, because 42041121141 - 2¹⁰ = 42041120117 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 (42041121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7006853521 + ... + 7006853526.

It is an arithmetic number, because the mean of its divisors is an integer number (14013707048).

Almost surely, 2^42041121141 is an apocalyptic number.

It is an amenable number.

42041121141 is a deficient number, since it is larger than the sum of its proper divisors (14013707051).

42041121141 is a wasteful number, since it uses less digits than its factorization.

42041121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013707050.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 42041121141 its reverse (14112114024), we get a palindrome (56153235165).

The spelling of 42041121141 in words is "forty-two billion, forty-one million, one hundred twenty-one thousand, one hundred forty-one".