13545530523 has 12 divisors (see below), whose sum is σ = 22360875888. Its totient is φ = 7740303120.

The previous prime is 13545530489. The next prime is 13545530527. The reversal of 13545530523 is 32503554531.

13545530523 is a `hidden beast` number, since 1 + 3 + 54 + 55 + 30 + 523 = 666.

It is not a de Polignac number, because 13545530523 - 2¹⁰ = 13545529499 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13545530527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107504148 + ... + 107504273.

It is an arithmetic number, because the mean of its divisors is an integer number (1863406324).

Almost surely, 2^13545530523 is an apocalyptic number.

13545530523 is a deficient number, since it is larger than the sum of its proper divisors (8815345365).

13545530523 is a wasteful number, since it uses less digits than its factorization.

13545530523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215008434 (or 215008431 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 13545530523 in words is "thirteen billion, five hundred forty-five million, five hundred thirty thousand, five hundred twenty-three".