5200111016861 has 16 divisors (see below), whose sum is σ = 5620627790400. Its totient is φ = 4794847747200.

The previous prime is 5200111016839. The next prime is 5200111016869. The reversal of 5200111016861 is 1686101110025.

It is a cyclic number.

It is not a de Polignac number, because 5200111016861 - 2¹⁰ = 5200111015837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5200111016869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7600031 + ... + 8255948.

It is an arithmetic number, because the mean of its divisors is an integer number (351289236900).

Almost surely, 2^{5200111016861} is an apocalyptic number.

It is an amenable number.

5200111016861 is a deficient number, since it is larger than the sum of its proper divisors (420516773539).

5200111016861 is a wasteful number, since it uses less digits than its factorization.

5200111016861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15856460.

The product of its (nonzero) digits is 2880, while the sum is 32.

Adding to 5200111016861 its reverse (1686101110025), we get a palindrome (6886212126886).

The spelling of 5200111016861 in words is "five trillion, two hundred billion, one hundred eleven million, sixteen thousand, eight hundred sixty-one".