5105615565 has 16 divisors (see below), whose sum is σ = 8170001856. Its totient is φ = 2722656000.

The previous prime is 5105615513. The next prime is 5105615591. The reversal of 5105615565 is 5655165015.

It is not a de Polignac number, because 5105615565 - 2¹⁶ = 5105550029 is a prime.

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 145765 + ... + 177365.

It is an arithmetic number, because the mean of its divisors is an integer number (510625116).

Almost surely, 2^5105615565 is an apocalyptic number.

It is an amenable number.

5105615565 is a deficient number, since it is larger than the sum of its proper divisors (3064386291).

5105615565 is a wasteful number, since it uses less digits than its factorization.

5105615565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42380.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 5105615565 is about 71453.5902876825. The cubic root of 5105615565 is about 1721.9321586312.

The spelling of 5105615565 in words is "five billion, one hundred five million, six hundred fifteen thousand, five hundred sixty-five".