5515667127565 has 32 divisors (see below), whose sum is σ = 7711505280000. Its totient is φ = 3709233485568.

The previous prime is 5515667127463. The next prime is 5515667127569. The reversal of 5515667127565 is 5657217665155.

It is a cyclic number.

It is not a de Polignac number, because 5515667127565 - 2⁹ = 5515667127053 is a prime.

It is a super-2 number, since 2×5515667127565² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515667127569) 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 31 ways as a sum of consecutive naturals, for example, 6282030 + ... + 7105999.

It is an arithmetic number, because the mean of its divisors is an integer number (240984540000).

Almost surely, 2^{5515667127565} is an apocalyptic number.

It is an amenable number.

5515667127565 is a deficient number, since it is larger than the sum of its proper divisors (2195838152435).

5515667127565 is a wasteful number, since it uses less digits than its factorization.

5515667127565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13388269.

The product of its digits is 66150000, while the sum is 61.

The spelling of 5515667127565 in words is "five trillion, five hundred fifteen billion, six hundred sixty-seven million, one hundred twenty-seven thousand, five hundred sixty-five".