42105505132 has 6 divisors (see below), whose sum is σ = 73684633988. Its totient is φ = 21052752564.

The previous prime is 42105505109. The next prime is 42105505133. The reversal of 42105505132 is 23150550124.

It is a self number, because there is not a number n which added to its sum of digits gives 42105505132.

It is not an unprimeable number, because it can be changed into a prime (42105505133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5263188138 + ... + 5263188145.

Almost surely, 2^42105505132 is an apocalyptic number.

It is an amenable number.

42105505132 is a deficient number, since it is larger than the sum of its proper divisors (31579128856).

42105505132 is a wasteful number, since it uses less digits than its factorization.

42105505132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526376287 (or 10526376285 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 42105505132 in words is "forty-two billion, one hundred five million, five hundred five thousand, one hundred thirty-two".