11182018894 has 4 divisors (see below), whose sum is σ = 16773028344. Its totient is φ = 5591009446.

The previous prime is 11182018867. The next prime is 11182018901. The reversal of 11182018894 is 49881028111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49881028111 = 19 ⋅2625317269.

It is a self number, because there is not a number n which added to its sum of digits gives 11182018894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2795504722 + ... + 2795504725.

It is an arithmetic number, because the mean of its divisors is an integer number (4193257086).

Almost surely, 2^11182018894 is an apocalyptic number.

11182018894 is a deficient number, since it is larger than the sum of its proper divisors (5591009450).

11182018894 is an equidigital number, since it uses as much as digits as its factorization.

11182018894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591009449.

The product of its (nonzero) digits is 36864, while the sum is 43.

The spelling of 11182018894 in words is "eleven billion, one hundred eighty-two million, eighteen thousand, eight hundred ninety-four".