5261116511 has 16 divisors (see below), whose sum is σ = 6331445760. Its totient is φ = 4270644000.

The previous prime is 5261116507. The next prime is 5261116513. The reversal of 5261116511 is 1156111625.

5261116511 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5261116511 - 2² = 5261116507 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 (5261116513) 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 15 ways as a sum of consecutive naturals, for example, 495761 + ... + 506261.

It is an arithmetic number, because the mean of its divisors is an integer number (395715360).

Almost surely, 2^5261116511 is an apocalyptic number.

5261116511 is a deficient number, since it is larger than the sum of its proper divisors (1070329249).

5261116511 is a wasteful number, since it uses less digits than its factorization.

5261116511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14294.

The product of its digits is 1800, while the sum is 29.

The square root of 5261116511 is about 72533.5543800247. The cubic root of 5261116511 is about 1739.2391652069.

The spelling of 5261116511 in words is "five billion, two hundred sixty-one million, one hundred sixteen thousand, five hundred eleven".