11369944387 has 4 divisors (see below), whose sum is σ = 11373515176. Its totient is φ = 11366373600.

The previous prime is 11369944381. The next prime is 11369944429. The reversal of 11369944387 is 78344996311.

11369944387 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, and also an emirpimes, since its reverse is a distinct semiprime: 78344996311 = 8059 ⋅9721429.

It is a cyclic number.

It is not a de Polignac number, because 11369944387 - 2²⁷ = 11235726659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11369944381) 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, 1780614 + ... + 1786987.

It is an arithmetic number, because the mean of its divisors is an integer number (2843378794).

Almost surely, 2^11369944387 is an apocalyptic number.

11369944387 is a deficient number, since it is larger than the sum of its proper divisors (3570789).

11369944387 is an equidigital number, since it uses as much as digits as its factorization.

11369944387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570788.

The product of its digits is 3919104, while the sum is 55.

The spelling of 11369944387 in words is "eleven billion, three hundred sixty-nine million, nine hundred forty-four thousand, three hundred eighty-seven".