11550434042044 has 48 divisors (see below), whose sum is σ = 21082125748320. Its totient is φ = 5530417643520.

The previous prime is 11550434042041. The next prime is 11550434042053. The reversal of 11550434042044 is 44024043405511.

It is a junction number, because it is equal to n+sod(n) for n = 11550434041994 and 11550434042012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550434042041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6631092 + ... + 8189764.

It is an arithmetic number, because the mean of its divisors is an integer number (439210953090).

Almost surely, 2^{11550434042044} is an apocalyptic number.

It is an amenable number.

11550434042044 is a deficient number, since it is larger than the sum of its proper divisors (9531691706276).

11550434042044 is a wasteful number, since it uses less digits than its factorization.

11550434042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559230 (or 1559228 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 11550434042044 its reverse (44024043405511), we get a palindrome (55574477447555).

The spelling of 11550434042044 in words is "eleven trillion, five hundred fifty billion, four hundred thirty-four million, forty-two thousand, forty-four".