13425043505 has 8 divisors (see below), whose sum is σ = 16110959424. Its totient is φ = 10739430000.

The previous prime is 13425043501. The next prime is 13425043529. The reversal of 13425043505 is 50534052431.

It is a happy number.

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

It is not a de Polignac number, because 13425043505 - 2² = 13425043501 is a prime.

It is a super-2 number, since 2×13425043505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13425043501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37430 + ... + 168080.

It is an arithmetic number, because the mean of its divisors is an integer number (2013869928).

Almost surely, 2^13425043505 is an apocalyptic number.

It is an amenable number.

13425043505 is a deficient number, since it is larger than the sum of its proper divisors (2685915919).

13425043505 is a wasteful number, since it uses less digits than its factorization.

13425043505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151207.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 13425043505 its reverse (50534052431), we get a palindrome (63959095936).

The spelling of 13425043505 in words is "thirteen billion, four hundred twenty-five million, forty-three thousand, five hundred five".