13503801545091 has 24 divisors (see below), whose sum is σ = 22915542018096. Its totient is φ = 7554574290240.

The previous prime is 13503801545063. The next prime is 13503801545111. The reversal of 13503801545091 is 19054510830531.

13503801545091 is a `hidden beast` number, since 1 + 3 + 50 + 3 + 80 + 15 + 4 + 509 + 1 = 666.

It is not a de Polignac number, because 13503801545091 - 2¹⁵ = 13503801512323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13503801545011) 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 23 ways as a sum of consecutive naturals, for example, 5246230860 + ... + 5246233433.

It is an arithmetic number, because the mean of its divisors is an integer number (954814250754).

Almost surely, 2^{13503801545091} is an apocalyptic number.

13503801545091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13503801545091 is a deficient number, since it is larger than the sum of its proper divisors (9411740473005).

13503801545091 is a wasteful number, since it uses less digits than its factorization.

13503801545091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10492464323 (or 10492464320 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 13503801545091 in words is "thirteen trillion, five hundred three billion, eight hundred one million, five hundred forty-five thousand, ninety-one".