561712055215 has 8 divisors (see below), whose sum is σ = 674279244000. Its totient is φ = 449219792352.

The previous prime is 561712055213. The next prime is 561712055221. The reversal of 561712055215 is 512550217165.

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 561712055215 - 2¹ = 561712055213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561712055213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18714984 + ... + 18744973.

It is an arithmetic number, because the mean of its divisors is an integer number (84284905500).

Almost surely, 2^561712055215 is an apocalyptic number.

561712055215 is a deficient number, since it is larger than the sum of its proper divisors (112567188785).

561712055215 is a wasteful number, since it uses less digits than its factorization.

561712055215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37462961.

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 561712055215 in words is "five hundred sixty-one billion, seven hundred twelve million, fifty-five thousand, two hundred fifteen".