11243444215 has 8 divisors (see below), whose sum is σ = 13512184848. Its totient is φ = 8981387520.

The previous prime is 11243444213. The next prime is 11243444231. The reversal of 11243444215 is 51244434211.

It is a happy number.

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

It is not a de Polignac number, because 11243444215 - 2¹ = 11243444213 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 (11243444213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667281 + ... + 1674010.

It is an arithmetic number, because the mean of its divisors is an integer number (1689023106).

Almost surely, 2^11243444215 is an apocalyptic number.

11243444215 is a deficient number, since it is larger than the sum of its proper divisors (2268740633).

11243444215 is an equidigital number, since it uses as much as digits as its factorization.

11243444215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341969.

The product of its digits is 15360, while the sum is 31.

Adding to 11243444215 its reverse (51244434211), we get a palindrome (62487878426).

The spelling of 11243444215 in words is "eleven billion, two hundred forty-three million, four hundred forty-four thousand, two hundred fifteen".