42532505161 has 32 divisors (see below), whose sum is σ = 45772848000. Its totient is φ = 39445636608.

The previous prime is 42532505159. The next prime is 42532505209. The reversal of 42532505161 is 16150523524.

It is a cyclic number.

It is not a de Polignac number, because 42532505161 - 2¹ = 42532505159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42532505131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59989075 + ... + 59989783.

It is an arithmetic number, because the mean of its divisors is an integer number (1430401500).

Almost surely, 2^42532505161 is an apocalyptic number.

It is an amenable number.

42532505161 is a deficient number, since it is larger than the sum of its proper divisors (3240342839).

42532505161 is a wasteful number, since it uses less digits than its factorization.

42532505161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 42532505161 in words is "forty-two billion, five hundred thirty-two million, five hundred five thousand, one hundred sixty-one".