5531504018866 has 32 divisors (see below), whose sum is σ = 9741563020800. Its totient is φ = 2305933914816.

The previous prime is 5531504018857. The next prime is 5531504018869. The reversal of 5531504018866 is 6688104051355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5531504018869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393735 + ... + 3349333.

It is an arithmetic number, because the mean of its divisors is an integer number (304423844400).

Almost surely, 2^{5531504018866} is an apocalyptic number.

5531504018866 is a deficient number, since it is larger than the sum of its proper divisors (4210059001934).

5531504018866 is a wasteful number, since it uses less digits than its factorization.

5531504018866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959258.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 5531504018866 in words is "five trillion, five hundred thirty-one billion, five hundred four million, eighteen thousand, eight hundred sixty-six".