11166777788 has 6 divisors (see below), whose sum is σ = 19541861136. Its totient is φ = 5583388892.

The previous prime is 11166777779. The next prime is 11166777829. The reversal of 11166777788 is 88777766111.

11166777788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11166777788³ (a number of 31 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395847220 + ... + 1395847227.

It is an arithmetic number, because the mean of its divisors is an integer number (3256976856).

Almost surely, 2^11166777788 is an apocalyptic number.

It is an amenable number.

11166777788 is a deficient number, since it is larger than the sum of its proper divisors (8375083348).

11166777788 is a wasteful number, since it uses less digits than its factorization.

11166777788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791694451 (or 2791694449 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 59.

The spelling of 11166777788 in words is "eleven billion, one hundred sixty-six million, seven hundred seventy-seven thousand, seven hundred eighty-eight".