5105105510511 has 4 divisors (see below), whose sum is σ = 6806807347352. Its totient is φ = 3403403673672.

The previous prime is 5105105510503. The next prime is 5105105510587. The reversal of 5105105510511 is 1150155015015.

It is a happy number.

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

It is not a de Polignac number, because 5105105510511 - 2³ = 5105105510503 is a prime.

It is a super-2 number, since 2×5105105510511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105105510501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 850850918416 + ... + 850850918421.

It is an arithmetic number, because the mean of its divisors is an integer number (1701701836838).

Almost surely, 2^{5105105510511} is an apocalyptic number.

5105105510511 is a deficient number, since it is larger than the sum of its proper divisors (1701701836841).

5105105510511 is a wasteful number, since it uses less digits than its factorization.

5105105510511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701701836840.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 5105105510511 in words is "five trillion, one hundred five billion, one hundred five million, five hundred ten thousand, five hundred eleven".