116560561 has 8 divisors (see below), whose sum is σ = 126222824. Its totient is φ = 106997760.

The previous prime is 116560547. The next prime is 116560597. The reversal of 116560561 is 165065611.

It can be written as a sum of positive squares in 4 ways, for example, as 3010225 + 113550336 = 1735^2 + 10656^2 .

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 116560561 - 2¹¹ = 116558513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116560511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22416 + ... + 27121.

It is an arithmetic number, because the mean of its divisors is an integer number (15777853).

Almost surely, 2^116560561 is an apocalyptic number.

It is an amenable number.

116560561 is a deficient number, since it is larger than the sum of its proper divisors (9662263).

116560561 is a wasteful number, since it uses less digits than its factorization.

116560561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49731.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 116560561 is about 10796.3216421150. The cubic root of 116560561 is about 488.4842246948.

The spelling of 116560561 in words is "one hundred sixteen million, five hundred sixty thousand, five hundred sixty-one".