11118645773 has 4 divisors (see below), whose sum is σ = 11120402268. Its totient is φ = 11116889280.

The previous prime is 11118645767. The next prime is 11118645781. The reversal of 11118645773 is 37754681111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37754681111 = 7 ⋅5393525873.

It can be written as a sum of positive squares in 2 ways, for example, as 4969263049 + 6149382724 = 70493^2 + 78418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11118645773 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 (11118645673) 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, 868718 + ... + 881423.

It is an arithmetic number, because the mean of its divisors is an integer number (2780100567).

Almost surely, 2^11118645773 is an apocalyptic number.

It is an amenable number.

11118645773 is a deficient number, since it is larger than the sum of its proper divisors (1756495).

11118645773 is an equidigital number, since it uses as much as digits as its factorization.

11118645773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756494.

The product of its digits is 141120, while the sum is 44.

The spelling of 11118645773 in words is "eleven billion, one hundred eighteen million, six hundred forty-five thousand, seven hundred seventy-three".