5518316615 has 8 divisors (see below), whose sum is σ = 7567977120. Its totient is φ = 3783988512.

The previous prime is 5518316581. The next prime is 5518316621. The reversal of 5518316615 is 5166138155.

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 5518316615 - 2¹⁰ = 5518315591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78833060 + ... + 78833129.

It is an arithmetic number, because the mean of its divisors is an integer number (945997140).

Almost surely, 2^5518316615 is an apocalyptic number.

5518316615 is a deficient number, since it is larger than the sum of its proper divisors (2049660505).

5518316615 is a wasteful number, since it uses less digits than its factorization.

5518316615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157666201.

The product of its digits is 108000, while the sum is 41.

The square root of 5518316615 is about 74285.3728199570. The cubic root of 5518316615 is about 1767.1315125232.

The spelling of 5518316615 in words is "five billion, five hundred eighteen million, three hundred sixteen thousand, six hundred fifteen".