5515218573689 has 8 divisors (see below), whose sum is σ = 6016655537568. Its totient is φ = 5013790519360.

The previous prime is 5515218573679. The next prime is 5515218573703. The reversal of 5515218573689 is 9863758125155.

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 5515218573689 - 2²⁸ = 5514950138233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515218573679) 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, 898592 + ... + 3440625.

It is an arithmetic number, because the mean of its divisors is an integer number (752081942196).

Almost surely, 2^{5515218573689} is an apocalyptic number.

It is an amenable number.

5515218573689 is a deficient number, since it is larger than the sum of its proper divisors (501436963879).

5515218573689 is a wasteful number, since it uses less digits than its factorization.

5515218573689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454775.

The product of its digits is 90720000, while the sum is 65.

The spelling of 5515218573689 in words is "five trillion, five hundred fifteen billion, two hundred eighteen million, five hundred seventy-three thousand, six hundred eighty-nine".