13531202545 has 16 divisors (see below), whose sum is σ = 19533767040. Its totient is φ = 8790194304.

The previous prime is 13531202543. The next prime is 13531202593. The reversal of 13531202545 is 54520213531.

13531202545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13531202545 - 2¹ = 13531202543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531202543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10173172 + ... + 10174501.

It is an arithmetic number, because the mean of its divisors is an integer number (1220860440).

Almost surely, 2^13531202545 is an apocalyptic number.

It is an amenable number.

13531202545 is a deficient number, since it is larger than the sum of its proper divisors (6002564495).

13531202545 is a wasteful number, since it uses less digits than its factorization.

13531202545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347704.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 13531202545 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, five hundred forty-five".