5205611807 has 16 divisors (see below), whose sum is σ = 5837069952. Its totient is φ = 4600732320.

The previous prime is 5205611779. The next prime is 5205611813. The reversal of 5205611807 is 7081165025.

It is a cyclic number.

It is not a de Polignac number, because 5205611807 - 2⁶ = 5205611743 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 (5205611857) 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, 576308 + ... + 585270.

It is an arithmetic number, because the mean of its divisors is an integer number (364816872).

Almost surely, 2^5205611807 is an apocalyptic number.

5205611807 is a deficient number, since it is larger than the sum of its proper divisors (631458145).

5205611807 is a wasteful number, since it uses less digits than its factorization.

5205611807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 5205611807 is about 72149.9258973978. The cubic root of 5205611807 is about 1733.1012131189.

The spelling of 5205611807 in words is "five billion, two hundred five million, six hundred eleven thousand, eight hundred seven".