42135306801 has 32 divisors (see below), whose sum is σ = 64389811200. Its totient is φ = 24008564160.

The previous prime is 42135306799. The next prime is 42135306809. The reversal of 42135306801 is 10860353124.

It is not a de Polignac number, because 42135306801 - 2¹ = 42135306799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42135306809) 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 in 31 ways as a sum of consecutive naturals, for example, 17133910 + ... + 17136368.

It is an arithmetic number, because the mean of its divisors is an integer number (2012181600).

Almost surely, 2^42135306801 is an apocalyptic number.

It is an amenable number.

42135306801 is a deficient number, since it is larger than the sum of its proper divisors (22254504399).

42135306801 is a wasteful number, since it uses less digits than its factorization.

42135306801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 42135306801 its reverse (10860353124), we get a palindrome (52995659925).

The spelling of 42135306801 in words is "forty-two billion, one hundred thirty-five million, three hundred six thousand, eight hundred one".