13505512001303 has 8 divisors (see below), whose sum is σ = 15435901137408. Its totient is φ = 11575380434904.

The previous prime is 13505512001197. The next prime is 13505512001329. The reversal of 13505512001303 is 30310021550531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13505512001303 - 2¹⁶ = 13505511935767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505512001363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64280051 + ... + 64489812.

It is an arithmetic number, because the mean of its divisors is an integer number (1929487642176).

Almost surely, 2^{13505512001303} is an apocalyptic number.

13505512001303 is a deficient number, since it is larger than the sum of its proper divisors (1930389136105).

13505512001303 is a wasteful number, since it uses less digits than its factorization.

13505512001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128784853.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 13505512001303 its reverse (30310021550531), we get a palindrome (43815533551834).

The spelling of 13505512001303 in words is "thirteen trillion, five hundred five billion, five hundred twelve million, one thousand, three hundred three".