42115141571 has 4 divisors (see below), whose sum is σ = 43094563512. Its totient is φ = 41135719632.

The previous prime is 42115141567. The next prime is 42115141643. The reversal of 42115141571 is 17514151124.

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 42115141571 - 2² = 42115141567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42115141501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489710906 + ... + 489710991.

It is an arithmetic number, because the mean of its divisors is an integer number (10773640878).

Almost surely, 2^42115141571 is an apocalyptic number.

42115141571 is a deficient number, since it is larger than the sum of its proper divisors (979421941).

42115141571 is an equidigital number, since it uses as much as digits as its factorization.

42115141571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979421940.

The product of its digits is 5600, while the sum is 32.

Adding to 42115141571 its reverse (17514151124), we get a palindrome (59629292695).

The spelling of 42115141571 in words is "forty-two billion, one hundred fifteen million, one hundred forty-one thousand, five hundred seventy-one".