5185611607 has 4 divisors (see below), whose sum is σ = 5657030856. Its totient is φ = 4714192360.

The previous prime is 5185611581. The next prime is 5185611659. The reversal of 5185611607 is 7061165815.

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 5185611607 - 2⁷ = 5185611479 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5185611607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185615607) 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, 235709608 + ... + 235709629.

It is an arithmetic number, because the mean of its divisors is an integer number (1414257714).

Almost surely, 2^5185611607 is an apocalyptic number.

5185611607 is a deficient number, since it is larger than the sum of its proper divisors (471419249).

5185611607 is a wasteful number, since it uses less digits than its factorization.

5185611607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471419248.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 5185611607 is about 72011.1908455901. The cubic root of 5185611607 is about 1730.8788129708.

It can be divided in two parts, 51 and 85611607, that added together give a palindrome (85611658).

The spelling of 5185611607 in words is "five billion, one hundred eighty-five million, six hundred eleven thousand, six hundred seven".