561530610115 has 8 divisors (see below), whose sum is σ = 673840777680. Its totient is φ = 449221791072.

The previous prime is 561530610101. The next prime is 561530610131. The reversal of 561530610115 is 511016035165.

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 561530610115 - 2³⁷ = 424091656643 is a prime.

It is a super-2 number, since 2×561530610115² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 1315056 + ... + 1688914.

It is an arithmetic number, because the mean of its divisors is an integer number (84230097210).

Almost surely, 2^561530610115 is an apocalyptic number.

561530610115 is a deficient number, since it is larger than the sum of its proper divisors (112310167565).

561530610115 is a wasteful number, since it uses less digits than its factorization.

561530610115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674261.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 561530610115 in words is "five hundred sixty-one billion, five hundred thirty million, six hundred ten thousand, one hundred fifteen".