141605160521 has 4 divisors (see below), whose sum is σ = 154478356944. Its totient is φ = 128731964100.

The previous prime is 141605160511. The next prime is 141605160547. The reversal of 141605160521 is 125061506141.

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 a de Polignac number, because none of the positive numbers 2^k-141605160521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141605160511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6436598195 + ... + 6436598216.

It is an arithmetic number, because the mean of its divisors is an integer number (38619589236).

Almost surely, 2^141605160521 is an apocalyptic number.

141605160521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141605160521 is a deficient number, since it is larger than the sum of its proper divisors (12873196423).

141605160521 is a wasteful number, since it uses less digits than its factorization.

141605160521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873196422.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 141605160521 its reverse (125061506141), we get a palindrome (266666666662).

The spelling of 141605160521 in words is "one hundred forty-one billion, six hundred five million, one hundred sixty thousand, five hundred twenty-one".