561606116115 has 32 divisors (see below), whose sum is σ = 980347737600. Its totient is φ = 272268933120.

The previous prime is 561606116107. The next prime is 561606116119. The reversal of 561606116115 is 511611606165.

It is not a de Polignac number, because 561606116115 - 2³ = 561606116107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561606116119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1719066 + ... + 2019504.

It is an arithmetic number, because the mean of its divisors is an integer number (30635866800).

Almost surely, 2^561606116115 is an apocalyptic number.

561606116115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

561606116115 is a deficient number, since it is larger than the sum of its proper divisors (418741621485).

561606116115 is a wasteful number, since it uses less digits than its factorization.

561606116115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311787.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 561606116115 in words is "five hundred sixty-one billion, six hundred six million, one hundred sixteen thousand, one hundred fifteen".