13405325512 has 32 divisors (see below), whose sum is σ = 26705181600. Its totient is φ = 6290538624.

The previous prime is 13405325509. The next prime is 13405325533. The reversal of 13405325512 is 21552350431.

It is an unprimeable number.

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, 395853 + ... + 428380.

It is an arithmetic number, because the mean of its divisors is an integer number (834536925).

Almost surely, 2^13405325512 is an apocalyptic number.

It is an amenable number.

13405325512 is a deficient number, since it is larger than the sum of its proper divisors (13299856088).

13405325512 is a wasteful number, since it uses less digits than its factorization.

13405325512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824365 (or 824361 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13405325512 its reverse (21552350431), we get a palindrome (34957675943).

The spelling of 13405325512 in words is "thirteen billion, four hundred five million, three hundred twenty-five thousand, five hundred twelve".