11443314556 has 24 divisors (see below), whose sum is σ = 20511792000. Its totient is φ = 5584198704.

The previous prime is 11443314539. The next prime is 11443314643. The reversal of 11443314556 is 65541334411.

It is a super-2 number, since 2×11443314556² (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, 141616 + ... + 207223.

It is an arithmetic number, because the mean of its divisors is an integer number (854658000).

Almost surely, 2^11443314556 is an apocalyptic number.

It is an amenable number.

11443314556 is a deficient number, since it is larger than the sum of its proper divisors (9068477444).

11443314556 is a wasteful number, since it uses less digits than its factorization.

11443314556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349041 (or 349039 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

Adding to 11443314556 its reverse (65541334411), we get a palindrome (76984648967).

The spelling of 11443314556 in words is "eleven billion, four hundred forty-three million, three hundred fourteen thousand, five hundred fifty-six".