11381971366 has 8 divisors (see below), whose sum is σ = 17171645184. Its totient is φ = 5658089640.

The previous prime is 11381971357. The next prime is 11381971369. The reversal of 11381971366 is 66317918311.

11381971366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381971369) 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, 16447590 + ... + 16448281.

It is an arithmetic number, because the mean of its divisors is an integer number (2146455648).

Almost surely, 2^11381971366 is an apocalyptic number.

11381971366 is a deficient number, since it is larger than the sum of its proper divisors (5789673818).

11381971366 is a wasteful number, since it uses less digits than its factorization.

11381971366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32896046.

The product of its digits is 163296, while the sum is 46.

The spelling of 11381971366 in words is "eleven billion, three hundred eighty-one million, nine hundred seventy-one thousand, three hundred sixty-six".