13315536661 has 8 divisors (see below), whose sum is σ = 16018690880. Its totient is φ = 10812616128.

The previous prime is 13315536659. The next prime is 13315536679. The reversal of 13315536661 is 16663551331.

It is a happy number.

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 13315536661 - 2¹ = 13315536659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315546661) 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 7 ways as a sum of consecutive naturals, for example, 50058276 + ... + 50058541.

It is an arithmetic number, because the mean of its divisors is an integer number (2002336360).

Almost surely, 2^13315536661 is an apocalyptic number.

It is an amenable number.

13315536661 is a deficient number, since it is larger than the sum of its proper divisors (2703154219).

13315536661 is a wasteful number, since it uses less digits than its factorization.

13315536661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100116843.

The product of its digits is 145800, while the sum is 40.

The spelling of 13315536661 in words is "thirteen billion, three hundred fifteen million, five hundred thirty-six thousand, six hundred sixty-one".