13455773571 has 40 divisors (see below), whose sum is σ = 19157295104. Its totient is φ = 8400354480.

The previous prime is 13455773567. The next prime is 13455773621. The reversal of 13455773571 is 17537755431.

It is not a de Polignac number, because 13455773571 - 2² = 13455773567 is a prime.

It is a Duffinian number.

Its product of digits (1543500) is a multiple of the sum of its prime divisors (420).

It is a self number, because there is not a number n which added to its sum of digits gives 13455773571.

It is not an unprimeable number, because it can be changed into a prime (13455773521) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49652166 + ... + 49652436.

Almost surely, 2^13455773571 is an apocalyptic number.

13455773571 is a deficient number, since it is larger than the sum of its proper divisors (5701521533).

13455773571 is an frugal number, since it uses more digits than its factorization.

13455773571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 420 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 48.

The spelling of 13455773571 in words is "thirteen billion, four hundred fifty-five million, seven hundred seventy-three thousand, five hundred seventy-one".