11381163562 has 4 divisors (see below), whose sum is σ = 17071745346. Its totient is φ = 5690581780.

The previous prime is 11381163559. The next prime is 11381163581. The reversal of 11381163562 is 26536118311.

11381163562 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 can be written as a sum of positive squares in only one way, i.e., 11031510961 + 349652601 = 105031^2 + 18699^2 .

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, 2845290889 + ... + 2845290892.

Almost surely, 2^11381163562 is an apocalyptic number.

11381163562 is a deficient number, since it is larger than the sum of its proper divisors (5690581784).

11381163562 is an equidigital number, since it uses as much as digits as its factorization.

11381163562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690581783.

The product of its digits is 25920, while the sum is 37.

The spelling of 11381163562 in words is "eleven billion, three hundred eighty-one million, one hundred sixty-three thousand, five hundred sixty-two".