42045424122505 has 8 divisors (see below), whose sum is σ = 50456619186624. Its totient is φ = 33634932471600.

The previous prime is 42045424122497. The next prime is 42045424122523. The reversal of 42045424122505 is 50522142454024.

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

It is not a de Polignac number, because 42045424122505 - 2³ = 42045424122497 is a prime.

It is a Duffinian 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, 175721791 + ... + 175960900.

It is an arithmetic number, because the mean of its divisors is an integer number (6307077398328).

Almost surely, 2^{42045424122505} is an apocalyptic number.

It is an amenable number.

42045424122505 is a deficient number, since it is larger than the sum of its proper divisors (8411195064119).

42045424122505 is a wasteful number, since it uses less digits than its factorization.

42045424122505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351706607.

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 42045424122505 its reverse (50522142454024), we get a palindrome (92567566576529).

The spelling of 42045424122505 in words is "forty-two trillion, forty-five billion, four hundred twenty-four million, one hundred twenty-two thousand, five hundred five".