42505141136135 has 8 divisors (see below), whose sum is σ = 51006217438176. Its totient is φ = 34004080859040.

The previous prime is 42505141136071. The next prime is 42505141136177. The reversal of 42505141136135 is 53163114150524.

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

It is not a de Polignac number, because 42505141136135 - 2⁶ = 42505141136071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42505141136092 and 42505141136101.

It is a congruent 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, 2916677 + ... + 9670433.

It is an arithmetic number, because the mean of its divisors is an integer number (6375777179772).

Almost surely, 2^{42505141136135} is an apocalyptic number.

42505141136135 is a deficient number, since it is larger than the sum of its proper divisors (8501076302041).

42505141136135 is a wasteful number, since it uses less digits than its factorization.

42505141136135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012473.

The product of its (nonzero) digits is 216000, while the sum is 41.

Adding to 42505141136135 its reverse (53163114150524), we get a palindrome (95668255286659).

The spelling of 42505141136135 in words is "forty-two trillion, five hundred five billion, one hundred forty-one million, one hundred thirty-six thousand, one hundred thirty-five".