13503441553 has 8 divisors (see below), whose sum is σ = 15808907520. Its totient is φ = 11292076320.

The previous prime is 13503441551. The next prime is 13503441557. The reversal of 13503441553 is 35514430531.

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

It is not a de Polignac number, because 13503441553 - 2¹ = 13503441551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13503441551) 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, 23524873 + ... + 23525446.

It is an arithmetic number, because the mean of its divisors is an integer number (1976113440).

Almost surely, 2^13503441553 is an apocalyptic number.

It is an amenable number.

13503441553 is a deficient number, since it is larger than the sum of its proper divisors (2305465967).

13503441553 is an equidigital number, since it uses as much as digits as its factorization.

13503441553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47050367.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 13503441553 in words is "thirteen billion, five hundred three million, four hundred forty-one thousand, five hundred fifty-three".