13545113523 has 8 divisors (see below), whose sum is σ = 18061243536. Its totient is φ = 9029529600.

The previous prime is 13545113521. The next prime is 13545113539. The reversal of 13545113523 is 32531154531.

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

It is not a de Polignac number, because 13545113523 - 2¹ = 13545113521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13545113521) 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, 74638 + ... + 180723.

It is an arithmetic number, because the mean of its divisors is an integer number (2257655442).

Almost surely, 2^13545113523 is an apocalyptic number.

13545113523 is a deficient number, since it is larger than the sum of its proper divisors (4516130013).

13545113523 is a wasteful number, since it uses less digits than its factorization.

13545113523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273045.

The product of its digits is 27000, while the sum is 33.

The spelling of 13545113523 in words is "thirteen billion, five hundred forty-five million, one hundred thirteen thousand, five hundred twenty-three".