13544050545 has 24 divisors (see below), whose sum is σ = 23483144256. Its totient is φ = 7221404448.

The previous prime is 13544050529. The next prime is 13544050579. The reversal of 13544050545 is 54505044531.

13544050545 is a `hidden beast` number, since 13 + 54 + 4 + 0 + 50 + 545 = 666.

It is not a de Polignac number, because 13544050545 - 2⁴ = 13544050529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120594 + ... + 204036.

It is an arithmetic number, because the mean of its divisors is an integer number (978464344).

Almost surely, 2^13544050545 is an apocalyptic number.

13544050545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13544050545 is a deficient number, since it is larger than the sum of its proper divisors (9939093711).

13544050545 is a wasteful number, since it uses less digits than its factorization.

13544050545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87061 (or 87058 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 13544050545 in words is "thirteen billion, five hundred forty-four million, fifty thousand, five hundred forty-five".