5105605111 has 4 divisors (see below), whose sum is σ = 5107038424. Its totient is φ = 5104171800.

The previous prime is 5105605079. The next prime is 5105605117. The reversal of 5105605111 is 1115065015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5105605111 - 2⁵ = 5105605079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105605117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 711300 + ... + 718441.

It is an arithmetic number, because the mean of its divisors is an integer number (1276759606).

Almost surely, 2^5105605111 is an apocalyptic number.

5105605111 is a deficient number, since it is larger than the sum of its proper divisors (1433313).

5105605111 is a wasteful number, since it uses less digits than its factorization.

5105605111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433312.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 5105605111 is about 71453.5171352677. The cubic root of 5105605111 is about 1721.9309833834.

The spelling of 5105605111 in words is "five billion, one hundred five million, six hundred five thousand, one hundred eleven".