7118031606457 has 4 divisors (see below), whose sum is σ = 7118101541620. Its totient is φ = 7117961671296.

The previous prime is 7118031606391. The next prime is 7118031606461. The reversal of 7118031606457 is 7546061308117.

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 3828346171456 + 3289685435001 = 1956616^2 + 1813749^2 .

It is a cyclic number.

It is not a de Polignac number, because 7118031606457 - 2²³ = 7118023217849 is a prime.

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 7118031606457.

It is not an unprimeable number, because it can be changed into a prime (7118031606857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34814688 + ... + 35018545.

It is an arithmetic number, because the mean of its divisors is an integer number (1779525385405).

Almost surely, 2^{7118031606457} is an apocalyptic number.

It is an amenable number.

7118031606457 is a deficient number, since it is larger than the sum of its proper divisors (69935163).

7118031606457 is a wasteful number, since it uses less digits than its factorization.

7118031606457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69935162.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 7118031606457 in words is "seven trillion, one hundred eighteen billion, thirty-one million, six hundred six thousand, four hundred fifty-seven".