42159145513 has 4 divisors (see below), whose sum is σ = 42850279108. Its totient is φ = 41468011920.

The previous prime is 42159145453. The next prime is 42159145517. The reversal of 42159145513 is 31554195124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6524277529 + 35634867984 = 80773^2 + 188772^2 .

It is a cyclic number.

It is not a de Polignac number, because 42159145513 - 2²⁹ = 41622274601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42159145517) 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, 345566706 + ... + 345566827.

It is an arithmetic number, because the mean of its divisors is an integer number (10712569777).

Almost surely, 2^42159145513 is an apocalyptic number.

It is an amenable number.

42159145513 is a deficient number, since it is larger than the sum of its proper divisors (691133595).

42159145513 is an equidigital number, since it uses as much as digits as its factorization.

42159145513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691133594.

The product of its digits is 108000, while the sum is 40.

The spelling of 42159145513 in words is "forty-two billion, one hundred fifty-nine million, one hundred forty-five thousand, five hundred thirteen".