5005005555078 has 20 divisors (see below), whose sum is σ = 11214919855260. Its totient is φ = 1668335184972.

The previous prime is 5005005555049. The next prime is 5005005555089. The reversal of 5005005555078 is 8705555005005.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15447547848 + ... + 15447548171.

It is an arithmetic number, because the mean of its divisors is an integer number (560745992763).

Almost surely, 2^{5005005555078} is an apocalyptic number.

5005005555078 is an abundant number, since it is smaller than the sum of its proper divisors (6209914300182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5005005555078 is a wasteful number, since it uses less digits than its factorization.

5005005555078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895096033 (or 30895096024 counting only the distinct ones).

The product of its (nonzero) digits is 875000, while the sum is 45.

The spelling of 5005005555078 in words is "five trillion, five billion, five million, five hundred fifty-five thousand, seventy-eight".