11166010391 has 4 divisors (see below), whose sum is σ = 11184049800. Its totient is φ = 11147970984.

The previous prime is 11166010381. The next prime is 11166010403. The reversal of 11166010391 is 19301066111.

It is a happy number.

11166010391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11166010391 - 2¹⁰ = 11166009367 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 (11166010381) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9018776 + ... + 9020013.

It is an arithmetic number, because the mean of its divisors is an integer number (2796012450).

Almost surely, 2^11166010391 is an apocalyptic number.

11166010391 is a deficient number, since it is larger than the sum of its proper divisors (18039409).

11166010391 is an equidigital number, since it uses as much as digits as its factorization.

11166010391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039408.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 11166010391 in words is "eleven billion, one hundred sixty-six million, ten thousand, three hundred ninety-one".