13525534544011 has 16 divisors (see below), whose sum is σ = 15836316601600. Its totient is φ = 11310043657248.

The previous prime is 13525534544009. The next prime is 13525534544023. The reversal of 13525534544011 is 11044543552531.

It is not a de Polignac number, because 13525534544011 - 2¹ = 13525534544009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13525534544051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26852601 + ... + 27351658.

It is an arithmetic number, because the mean of its divisors is an integer number (989769787600).

Almost surely, 2^{13525534544011} is an apocalyptic number.

13525534544011 is a deficient number, since it is larger than the sum of its proper divisors (2310782057589).

13525534544011 is an equidigital number, since it uses as much as digits as its factorization.

13525534544011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54205138.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 13525534544011 in words is "thirteen trillion, five hundred twenty-five billion, five hundred thirty-four million, five hundred forty-four thousand, eleven".