5561491830187 has 8 divisors (see below), whose sum is σ = 5655810830400. Its totient is φ = 5467174710984.

The previous prime is 5561491830157. The next prime is 5561491830203. The reversal of 5561491830187 is 7810381941655.

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

It is a cyclic number.

It is not a de Polignac number, because 5561491830187 - 2¹⁹ = 5561491305899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561491830157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316764 + ... + 7143142.

It is an arithmetic number, because the mean of its divisors is an integer number (706976353800).

Almost surely, 2^{5561491830187} is an apocalyptic number.

5561491830187 is a deficient number, since it is larger than the sum of its proper divisors (94319000213).

5561491830187 is a wasteful number, since it uses less digits than its factorization.

5561491830187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940505.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 5561491830187 in words is "five trillion, five hundred sixty-one billion, four hundred ninety-one million, eight hundred thirty thousand, one hundred eighty-seven".