13125444501533 has 24 divisors (see below), whose sum is σ = 16443571963392. Its totient is φ = 10384520285664.

The previous prime is 13125444501527. The next prime is 13125444501539. The reversal of 13125444501533 is 33510544452131.

It is an interprime number because it is at equal distance from previous prime (13125444501527) and next prime (13125444501539).

It is not a de Polignac number, because 13125444501533 - 2⁴ = 13125444501517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125444501539) 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, 14784716 + ... + 15647322.

It is an arithmetic number, because the mean of its divisors is an integer number (685148831808).

Almost surely, 2^{13125444501533} is an apocalyptic number.

13125444501533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13125444501533 is a deficient number, since it is larger than the sum of its proper divisors (3318127461859).

13125444501533 is a wasteful number, since it uses less digits than its factorization.

13125444501533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886521 (or 886514 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 13125444501533 its reverse (33510544452131), we get a palindrome (46635988953664).

The spelling of 13125444501533 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty-four million, five hundred one thousand, five hundred thirty-three".