561045766115 has 8 divisors (see below), whose sum is σ = 673884724560. Its totient is φ = 448416742752.

The previous prime is 561045766109. The next prime is 561045766129. The reversal of 561045766115 is 511667540165.

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 561045766115 - 2¹⁴ = 561045749731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561045766115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52477889 + ... + 52488578.

It is an arithmetic number, because the mean of its divisors is an integer number (84235590570).

Almost surely, 2^561045766115 is an apocalyptic number.

561045766115 is a deficient number, since it is larger than the sum of its proper divisors (112838958445).

561045766115 is a wasteful number, since it uses less digits than its factorization.

561045766115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104967541.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 561045766115 in words is "five hundred sixty-one billion, forty-five million, seven hundred sixty-six thousand, one hundred fifteen".