5105505611 has 4 divisors (see below), whose sum is σ = 5106835224. Its totient is φ = 5104176000.

The previous prime is 5105505571. The next prime is 5105505619. The reversal of 5105505611 is 1165055015.

It is a happy number.

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 5105505611 - 2²⁶ = 5038396747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105505619) 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, 659030 + ... + 666731.

It is an arithmetic number, because the mean of its divisors is an integer number (1276708806).

Almost surely, 2^5105505611 is an apocalyptic number.

5105505611 is a deficient number, since it is larger than the sum of its proper divisors (1329613).

5105505611 is a wasteful number, since it uses less digits than its factorization.

5105505611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329612.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 5105505611 is about 71452.8208750361. The cubic root of 5105505611 is about 1721.9197974259.

The spelling of 5105505611 in words is "five billion, one hundred five million, five hundred five thousand, six hundred eleven".