11449163444 has 24 divisors (see below), whose sum is σ = 20430963168. Its totient is φ = 5612358240.

The previous prime is 11449163423. The next prime is 11449163497. The reversal of 11449163444 is 44436194411.

It is a super-2 number, since 2×11449163444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514 + ... + 151329.

It is an arithmetic number, because the mean of its divisors is an integer number (851290132).

Almost surely, 2^11449163444 is an apocalyptic number.

It is an amenable number.

11449163444 is a deficient number, since it is larger than the sum of its proper divisors (8981799724).

11449163444 is a wasteful number, since it uses less digits than its factorization.

11449163444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153215 (or 153213 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The spelling of 11449163444 in words is "eleven billion, four hundred forty-nine million, one hundred sixty-three thousand, four hundred forty-four".