42111131241 has 32 divisors (see below), whose sum is σ = 57143439360. Its totient is φ = 27580814144.

The previous prime is 42111131221. The next prime is 42111131243. The reversal of 42111131241 is 14213111124.

42111131241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42111131241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42111131243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52836655 + ... + 52837451.

It is an arithmetic number, because the mean of its divisors is an integer number (1785732480).

Almost surely, 2^42111131241 is an apocalyptic number.

It is an amenable number.

42111131241 is a deficient number, since it is larger than the sum of its proper divisors (15032308119).

42111131241 is a wasteful number, since it uses less digits than its factorization.

42111131241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805.

The product of its digits is 192, while the sum is 21.

Adding to 42111131241 its reverse (14213111124), we get a palindrome (56324242365).

The spelling of 42111131241 in words is "forty-two billion, one hundred eleven million, one hundred thirty-one thousand, two hundred forty-one".