11404144413 has 16 divisors (see below), whose sum is σ = 17784241600. Its totient is φ = 7202617200.

The previous prime is 11404144393. The next prime is 11404144429. The reversal of 11404144413 is 31444140411.

It is not a de Polignac number, because 11404144413 - 2¹⁰ = 11404143389 is a prime.

It is a super-2 number, since 2×11404144413² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404144483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11114638 + ... + 11115663.

It is an arithmetic number, because the mean of its divisors is an integer number (1111515100).

Almost surely, 2^11404144413 is an apocalyptic number.

It is an amenable number.

11404144413 is a deficient number, since it is larger than the sum of its proper divisors (6380097187).

11404144413 is a wasteful number, since it uses less digits than its factorization.

11404144413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22230329 (or 22230323 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 11404144413 its reverse (31444140411), we get a palindrome (42848284824).

The spelling of 11404144413 in words is "eleven billion, four hundred four million, one hundred forty-four thousand, four hundred thirteen".