11440212115 has 4 divisors (see below), whose sum is σ = 13728254544. Its totient is φ = 9152169688.

The previous prime is 11440212079. The next prime is 11440212181. The reversal of 11440212115 is 51121204411.

It is a happy number.

11440212115 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: 51121204411 = 139 ⋅367778449.

It is a cyclic number.

It is not a de Polignac number, because 11440212115 - 2⁷ = 11440211987 is a prime.

It is a Duffinian 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 in 3 ways as a sum of consecutive naturals, for example, 1144021207 + ... + 1144021216.

It is an arithmetic number, because the mean of its divisors is an integer number (3432063636).

Almost surely, 2^11440212115 is an apocalyptic number.

11440212115 is a deficient number, since it is larger than the sum of its proper divisors (2288042429).

11440212115 is an equidigital number, since it uses as much as digits as its factorization.

11440212115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288042428.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 11440212115 its reverse (51121204411), we get a palindrome (62561416526).

The spelling of 11440212115 in words is "eleven billion, four hundred forty million, two hundred twelve thousand, one hundred fifteen".