42231520543105 has 8 divisors (see below), whose sum is σ = 50680462451112. Its totient is φ = 33783457901568.

The previous prime is 42231520543099. The next prime is 42231520543111. The reversal of 42231520543105 is 50134502513224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42231520543099) and next prime (42231520543111).

It can be written as a sum of positive squares in 4 ways, for example, as 25883439730929 + 16348080812176 = 5087577^2 + 4043276^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42231520543105 - 2¹¹ = 42231520541057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219710944 + ... + 219903073.

It is an arithmetic number, because the mean of its divisors is an integer number (6335057806389).

Almost surely, 2^{42231520543105} is an apocalyptic number.

It is an amenable number.

42231520543105 is a deficient number, since it is larger than the sum of its proper divisors (8448941908007).

42231520543105 is a wasteful number, since it uses less digits than its factorization.

42231520543105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439633235.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 42231520543105 in words is "forty-two trillion, two hundred thirty-one billion, five hundred twenty million, five hundred forty-three thousand, one hundred five".