118067561 has 12 divisors (see below), whose sum is σ = 123413760. Its totient is φ = 112834440.

The previous prime is 118067531. The next prime is 118067569. The reversal of 118067561 is 165760811.

It is not a de Polignac number, because 118067561 - 2²⁶ = 50958697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118067569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328700 + ... + 329058.

It is an arithmetic number, because the mean of its divisors is an integer number (10284480).

Almost surely, 2^118067561 is an apocalyptic number.

It is an amenable number.

118067561 is a deficient number, since it is larger than the sum of its proper divisors (5346199).

118067561 is an equidigital number, since it uses as much as digits as its factorization.

118067561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 118067561 is about 10865.8897932935. The cubic root of 118067561 is about 490.5804048395.

The spelling of 118067561 in words is "one hundred eighteen million, sixty-seven thousand, five hundred sixty-one".