5109217555 has 8 divisors (see below), whose sum is σ = 6602681232. Its totient is φ = 3772960608.

The previous prime is 5109217541. The next prime is 5109217567. The reversal of 5109217555 is 5557129015.

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 a de Polignac number, because none of the positive numbers 2^k-5109217555 is a prime.

It is a super-2 number, since 2×5109217555² = 52208208048640356050, which contains 22 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39301609 + ... + 39301738.

It is an arithmetic number, because the mean of its divisors is an integer number (825335154).

Almost surely, 2^5109217555 is an apocalyptic number.

5109217555 is a deficient number, since it is larger than the sum of its proper divisors (1493463677).

5109217555 is a wasteful number, since it uses less digits than its factorization.

5109217555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78603365.

The product of its (nonzero) digits is 78750, while the sum is 40.

The square root of 5109217555 is about 71478.7909452867. The cubic root of 5109217555 is about 1722.3370020384.

The spelling of 5109217555 in words is "five billion, one hundred nine million, two hundred seventeen thousand, five hundred fifty-five".