13503725983999 has 4 divisors (see below), whose sum is σ = 13503908988040. Its totient is φ = 13503542979960.

The previous prime is 13503725983963. The next prime is 13503725984017. The reversal of 13503725983999 is 99938952730531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13503725983999 - 2¹⁷ = 13503725852927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503725983199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91391292 + ... + 91538929.

It is an arithmetic number, because the mean of its divisors is an integer number (3375977247010).

Almost surely, 2^{13503725983999} is an apocalyptic number.

13503725983999 is a deficient number, since it is larger than the sum of its proper divisors (183004041).

13503725983999 is an equidigital number, since it uses as much as digits as its factorization.

13503725983999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183004040.

The product of its (nonzero) digits is 496011600, while the sum is 73.

The spelling of 13503725983999 in words is "thirteen trillion, five hundred three billion, seven hundred twenty-five million, nine hundred eighty-three thousand, nine hundred ninety-nine".