42531605106 has 16 divisors (see below), whose sum is σ = 88761610944. Its totient is φ = 13560801584.

The previous prime is 42531605099. The next prime is 42531605107. The reversal of 42531605106 is 60150613524.

42531605106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42531605107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154099881 + ... + 154100156.

It is an arithmetic number, because the mean of its divisors is an integer number (5547600684).

Almost surely, 2^42531605106 is an apocalyptic number.

42531605106 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42531605106 is an abundant number, since it is smaller than the sum of its proper divisors (46230005838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42531605106 is a wasteful number, since it uses less digits than its factorization.

42531605106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308200065.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 42531605106 in words is "forty-two billion, five hundred thirty-one million, six hundred five thousand, one hundred six".