5115666560565 has 16 divisors (see below), whose sum is σ = 8929163451456. Its totient is φ = 2480323180800.

The previous prime is 5115666560527. The next prime is 5115666560567. The reversal of 5115666560565 is 5650656665115.

It is not a de Polignac number, because 5115666560565 - 2¹⁰ = 5115666559541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115666560567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15502019716 + ... + 15502020045.

It is an arithmetic number, because the mean of its divisors is an integer number (558072715716).

Almost surely, 2^{5115666560565} is an apocalyptic number.

5115666560565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5115666560565 is a deficient number, since it is larger than the sum of its proper divisors (3813496890891).

5115666560565 is a wasteful number, since it uses less digits than its factorization.

5115666560565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31004039780.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 5115666560565 in words is "five trillion, one hundred fifteen billion, six hundred sixty-six million, five hundred sixty thousand, five hundred sixty-five".