13530501221199 has 32 divisors (see below), whose sum is σ = 19628124825600. Its totient is φ = 8259216554880.

The previous prime is 13530501221191. The next prime is 13530501221233. The reversal of 13530501221199 is 99112210503531.

It is not a de Polignac number, because 13530501221199 - 2³ = 13530501221191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13530501221199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530501221191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3587104 + ... + 6318885.

It is an arithmetic number, because the mean of its divisors is an integer number (613378900800).

Almost surely, 2^{13530501221199} is an apocalyptic number.

13530501221199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13530501221199 is a deficient number, since it is larger than the sum of its proper divisors (6097623604401).

13530501221199 is a wasteful number, since it uses less digits than its factorization.

13530501221199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906815.

The product of its (nonzero) digits is 72900, while the sum is 42.

The spelling of 13530501221199 in words is "thirteen trillion, five hundred thirty billion, five hundred one million, two hundred twenty-one thousand, one hundred ninety-nine".