13320091531585 has 8 divisors (see below), whose sum is σ = 15984191016360. Its totient is φ = 10656019106304.

The previous prime is 13320091531511. The next prime is 13320091531601. The reversal of 13320091531585 is 58513519002331.

It can be written as a sum of positive squares in 4 ways, for example, as 3285939296656 + 10034152234929 = 1812716^2 + 3167673^2 .

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 13320091531585 - 2³¹ = 13317944047937 is a prime.

It is a super-2 number, since 2×13320091531585² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5665680 + ... + 7664209.

It is an arithmetic number, because the mean of its divisors is an integer number (1998023877045).

Almost surely, 2^{13320091531585} is an apocalyptic number.

It is an amenable number.

13320091531585 is a deficient number, since it is larger than the sum of its proper divisors (2664099484775).

13320091531585 is a wasteful number, since it uses less digits than its factorization.

13320091531585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13529747.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 13320091531585 in words is "thirteen trillion, three hundred twenty billion, ninety-one million, five hundred thirty-one thousand, five hundred eighty-five".