7113187405085 has 4 divisors (see below), whose sum is σ = 8535824886108. Its totient is φ = 5690549924064.

The previous prime is 7113187405081. The next prime is 7113187405133. The reversal of 7113187405085 is 5805047813117.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3409791219844 + 3703396185241 = 1846562^2 + 1924421^2 .

It is a cyclic number.

It is not a de Polignac number, because 7113187405085 - 2² = 7113187405081 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 (7113187405081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711318740504 + ... + 711318740513.

It is an arithmetic number, because the mean of its divisors is an integer number (2133956221527).

Almost surely, 2^{7113187405085} is an apocalyptic number.

It is an amenable number.

7113187405085 is a deficient number, since it is larger than the sum of its proper divisors (1422637481023).

7113187405085 is a wasteful number, since it uses less digits than its factorization.

7113187405085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422637481022.

The product of its (nonzero) digits is 940800, while the sum is 50.

The spelling of 7113187405085 in words is "seven trillion, one hundred thirteen billion, one hundred eighty-seven million, four hundred five thousand, eighty-five".