561064651115 has 8 divisors (see below), whose sum is σ = 696494049840. Its totient is φ = 433374075232.

The previous prime is 561064651109. The next prime is 561064651151. The reversal of 561064651115 is 511156460165.

It is a happy number.

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 561064651115 - 2⁸ = 561064650859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934705549 + ... + 1934705838.

It is an arithmetic number, because the mean of its divisors is an integer number (87061756230).

Almost surely, 2^561064651115 is an apocalyptic number.

561064651115 is a deficient number, since it is larger than the sum of its proper divisors (135429398725).

561064651115 is a wasteful number, since it uses less digits than its factorization.

561064651115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869411421.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 561064651115 in words is "five hundred sixty-one billion, sixty-four million, six hundred fifty-one thousand, one hundred fifteen".