13530541545 has 24 divisors (see below), whose sum is σ = 24472633536. Its totient is φ = 6902536608.

The previous prime is 13530541523. The next prime is 13530541547. The reversal of 13530541545 is 54514503531.

13530541545 is a `hidden beast` number, since 1 + 35 + 30 + 54 + 1 + 545 = 666.

It is not a de Polignac number, because 13530541545 - 2⁹ = 13530541033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13530541547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6535459 + ... + 6537528.

It is an arithmetic number, because the mean of its divisors is an integer number (1019693064).

Almost surely, 2^13530541545 is an apocalyptic number.

13530541545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13530541545 is a deficient number, since it is larger than the sum of its proper divisors (10942091991).

13530541545 is a wasteful number, since it uses less digits than its factorization.

13530541545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13073021 (or 13073018 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 13530541545 in words is "thirteen billion, five hundred thirty million, five hundred forty-one thousand, five hundred forty-five".