11534554018 has 16 divisors (see below), whose sum is σ = 19275250680. Its totient is φ = 5140066176.

The previous prime is 11534554013. The next prime is 11534554033. The reversal of 11534554018 is 81045543511.

11534554018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9207745849 + 2326808169 = 95957^2 + 48237^2 .

It is not an unprimeable number, because it can be changed into a prime (11534554013) 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 7 ways as a sum of consecutive naturals, for example, 7648155 + ... + 7649662.

Almost surely, 2^11534554018 is an apocalyptic number.

11534554018 is a deficient number, since it is larger than the sum of its proper divisors (7740696662).

11534554018 is a wasteful number, since it uses less digits than its factorization.

11534554018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15297861.

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 11534554018 in words is "eleven billion, five hundred thirty-four million, five hundred fifty-four thousand, eighteen".