11550404042 has 16 divisors (see below), whose sum is σ = 17450970432. Its totient is φ = 5733460800.

The previous prime is 11550404039. The next prime is 11550404053. The reversal of 11550404042 is 24040405511.

11550404042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 525893 + ... + 547415.

It is an arithmetic number, because the mean of its divisors is an integer number (1090685652).

Almost surely, 2^11550404042 is an apocalyptic number.

11550404042 is a deficient number, since it is larger than the sum of its proper divisors (5900566390).

11550404042 is a wasteful number, since it uses less digits than its factorization.

11550404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23453.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 11550404042 its reverse (24040405511), we get a palindrome (35590809553).

The spelling of 11550404042 in words is "eleven billion, five hundred fifty million, four hundred four thousand, forty-two".