11440244043213 has 8 divisors (see below), whose sum is σ = 15254628319968. Its totient is φ = 7626344564304.

The previous prime is 11440244043211. The next prime is 11440244043287. The reversal of 11440244043213 is 31234044204411.

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 11440244043213 - 2¹ = 11440244043211 is a prime.

It is a super-2 number, since 2×11440244043213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440244043211) 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, 121144395 + ... + 121238792.

It is an arithmetic number, because the mean of its divisors is an integer number (1906828539996).

Almost surely, 2^{11440244043213} is an apocalyptic number.

It is an amenable number.

11440244043213 is a deficient number, since it is larger than the sum of its proper divisors (3814384276755).

11440244043213 is a wasteful number, since it uses less digits than its factorization.

11440244043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242398923.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 11440244043213 its reverse (31234044204411), we get a palindrome (42674288247624).

The spelling of 11440244043213 in words is "eleven trillion, four hundred forty billion, two hundred forty-four million, forty-three thousand, two hundred thirteen".