13585715241481 has 8 divisors (see below), whose sum is σ = 13953812798024. Its totient is φ = 13217665898880.

The previous prime is 13585715241433. The next prime is 13585715241493. The reversal of 13585715241481 is 18414251758531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10418311963081 + 3167403278400 = 3227741^2 + 1779720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13585715241481 - 2¹¹ = 13585715239433 is a prime.

It is a super-2 number, since 2×13585715241481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13585715241421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11481930 + ... + 12609763.

It is an arithmetic number, because the mean of its divisors is an integer number (1744226599753).

Almost surely, 2^{13585715241481} is an apocalyptic number.

It is an amenable number.

13585715241481 is a deficient number, since it is larger than the sum of its proper divisors (368097556543).

13585715241481 is a wasteful number, since it uses less digits than its factorization.

13585715241481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24106971.

The product of its digits is 5376000, while the sum is 55.

The spelling of 13585715241481 in words is "thirteen trillion, five hundred eighty-five billion, seven hundred fifteen million, two hundred forty-one thousand, four hundred eighty-one".