13125444501527 has 2 divisors, whose sum is σ = 13125444501528. Its totient is φ = 13125444501526.

The previous prime is 13125444501517. The next prime is 13125444501539. The reversal of 13125444501527 is 72510544452131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13125444501527 - 2⁴ = 13125444501511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13125444501517) 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 as a sum of consecutive naturals, namely, 6562722250763 + 6562722250764.

It is an arithmetic number, because the mean of its divisors is an integer number (6562722250764).

Almost surely, 2^{13125444501527} is an apocalyptic number.

13125444501527 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125444501527 is an equidigital number, since it uses as much as digits as its factorization.

13125444501527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 44.

Adding to 13125444501527 its reverse (72510544452131), we get a palindrome (85635988953658).

The spelling of 13125444501527 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty-four million, five hundred one thousand, five hundred twenty-seven".