5561384518 has 8 divisors (see below), whose sum is σ = 8478832320. Its totient is φ = 2735107080.

The previous prime is 5561384509. The next prime is 5561384561. The reversal of 5561384518 is 8154831655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22792438 + ... + 22792681.

It is an arithmetic number, because the mean of its divisors is an integer number (1059854040).

Almost surely, 2^5561384518 is an apocalyptic number.

5561384518 is a deficient number, since it is larger than the sum of its proper divisors (2917447802).

5561384518 is a wasteful number, since it uses less digits than its factorization.

5561384518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45585182.

The product of its digits is 576000, while the sum is 46.

The square root of 5561384518 is about 74574.6908676127. The cubic root of 5561384518 is about 1771.7168184852.

The spelling of 5561384518 in words is "five billion, five hundred sixty-one million, three hundred eighty-four thousand, five hundred eighteen".