5519078929985 has 16 divisors (see below), whose sum is σ = 6804552560016. Its totient is φ = 4294251272448.

The previous prime is 5519078929957. The next prime is 5519078929993. The reversal of 5519078929985 is 5899298709155.

5519078929985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2349272²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 774484482304 + 4744594447681 = 880048^2 + 2178209^2 .

It is a cyclic number.

It is not a de Polignac number, because 5519078929985 - 2³⁸ = 5244201023041 is a prime.

It is a super-3 number, since 3×5519078929985³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 5360522 + ... + 6306611.

It is an arithmetic number, because the mean of its divisors is an integer number (425284535001).

Almost surely, 2^{5519078929985} is an apocalyptic number.

It is an amenable number.

5519078929985 is a deficient number, since it is larger than the sum of its proper divisors (1285473630031).

5519078929985 is a wasteful number, since it uses less digits than its factorization.

5519078929985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11669732.

The product of its (nonzero) digits is 734832000, while the sum is 77.

The spelling of 5519078929985 in words is "five trillion, five hundred nineteen billion, seventy-eight million, nine hundred twenty-nine thousand, nine hundred eighty-five".