42563113121 has 8 divisors (see below), whose sum is σ = 42904157184. Its totient is φ = 42222161520.

The previous prime is 42563113111. The next prime is 42563113139. The reversal of 42563113121 is 12131136524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42563113121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42563113111) 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 7 ways as a sum of consecutive naturals, for example, 1129931 + ... + 1166991.

It is an arithmetic number, because the mean of its divisors is an integer number (5363019648).

Almost surely, 2^42563113121 is an apocalyptic number.

It is an amenable number.

42563113121 is a deficient number, since it is larger than the sum of its proper divisors (341044063).

42563113121 is a wasteful number, since it uses less digits than its factorization.

42563113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46231.

The product of its digits is 4320, while the sum is 29.

Adding to 42563113121 its reverse (12131136524), we get a palindrome (54694249645).

The spelling of 42563113121 in words is "forty-two billion, five hundred sixty-three million, one hundred thirteen thousand, one hundred twenty-one".