15506660660113 has 16 divisors (see below), whose sum is σ = 18057014760960. Its totient is φ = 13040106371136.

The previous prime is 15506660660111. The next prime is 15506660660149. The reversal of 15506660660113 is 31106606660551.

It is a cyclic number.

It is not a de Polignac number, because 15506660660113 - 2¹ = 15506660660111 is a prime.

It is a super-2 number, since 2×15506660660113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15506660660111) 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 in 15 ways as a sum of consecutive naturals, for example, 8321256 + ... + 10012822.

It is an arithmetic number, because the mean of its divisors is an integer number (1128563422560).

Almost surely, 2^{15506660660113} is an apocalyptic number.

It is an amenable number.

15506660660113 is a deficient number, since it is larger than the sum of its proper divisors (2550354100847).

15506660660113 is a wasteful number, since it uses less digits than its factorization.

15506660660113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716336.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 15506660660113 in words is "fifteen trillion, five hundred six billion, six hundred sixty million, six hundred sixty thousand, one hundred thirteen".