11318077717 has 4 divisors (see below), whose sum is σ = 11318290956. Its totient is φ = 11317864480.

The previous prime is 11318077699. The next prime is 11318077733. The reversal of 11318077717 is 71777081311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71777081311 = 13 ⋅5521313947.

It can be written as a sum of positive squares in 2 ways, for example, as 9768159556 + 1549918161 = 98834^2 + 39369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11318077717 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 (11318047717) 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, 42753 + ... + 156409.

It is an arithmetic number, because the mean of its divisors is an integer number (2829572739).

Almost surely, 2^11318077717 is an apocalyptic number.

It is an amenable number.

11318077717 is a deficient number, since it is larger than the sum of its proper divisors (213239).

11318077717 is an equidigital number, since it uses as much as digits as its factorization.

11318077717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213238.

The product of its (nonzero) digits is 57624, while the sum is 43.

The spelling of 11318077717 in words is "eleven billion, three hundred eighteen million, seventy-seven thousand, seven hundred seventeen".