42101160521 has 4 divisors (see below), whose sum is σ = 48115612032. Its totient is φ = 36086709012.

The previous prime is 42101160503. The next prime is 42101160523. The reversal of 42101160521 is 12506110124.

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 not a de Polignac number, because 42101160521 - 2¹⁸ = 42100898377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42101160523) 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, 3007225745 + ... + 3007225758.

It is an arithmetic number, because the mean of its divisors is an integer number (12028903008).

Almost surely, 2^42101160521 is an apocalyptic number.

It is an amenable number.

42101160521 is a deficient number, since it is larger than the sum of its proper divisors (6014451511).

42101160521 is an equidigital number, since it uses as much as digits as its factorization.

42101160521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014451510.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 42101160521 its reverse (12506110124), we get a palindrome (54607270645).

The spelling of 42101160521 in words is "forty-two billion, one hundred one million, one hundred sixty thousand, five hundred twenty-one".