11550014442 has 24 divisors (see below), whose sum is σ = 25028095716. Its totient is φ = 3849533376.

The previous prime is 11550014423. The next prime is 11550014459. The reversal of 11550014442 is 24441005511.

11550014442 is a `hidden beast` number, since 1 + 15 + 500 + 144 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10611266121 + 938748321 = 103011^2 + 30639^2 .

It is a super-2 number, since 2×11550014442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131968 + ... + 201284.

Almost surely, 2^11550014442 is an apocalyptic number.

11550014442 is an abundant number, since it is smaller than the sum of its proper divisors (13478081274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11550014442 is a wasteful number, since it uses less digits than its factorization.

11550014442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78582 (or 78579 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 11550014442 its reverse (24441005511), we get a palindrome (35991019953).

The spelling of 11550014442 in words is "eleven billion, five hundred fifty million, fourteen thousand, four hundred forty-two".