13515354425432 has 64 divisors (see below), whose sum is σ = 26581710107520. Its totient is φ = 6434713847808.

The previous prime is 13515354425429. The next prime is 13515354425449. The reversal of 13515354425432 is 23452445351531.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 328205228 + ... + 328246404.

It is an arithmetic number, because the mean of its divisors is an integer number (415339220430).

Almost surely, 2^{13515354425432} is an apocalyptic number.

It is an amenable number.

13515354425432 is a deficient number, since it is larger than the sum of its proper divisors (13066355682088).

13515354425432 is a wasteful number, since it uses less digits than its factorization.

13515354425432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64860 (or 64856 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 47.

Adding to 13515354425432 its reverse (23452445351531), we get a palindrome (36967799776963).

The spelling of 13515354425432 in words is "thirteen trillion, five hundred fifteen billion, three hundred fifty-four million, four hundred twenty-five thousand, four hundred thirty-two".