118061181 has 24 divisors (see below), whose sum is σ = 199652544. Its totient is φ = 65816640.

The previous prime is 118061161. The next prime is 118061189. The reversal of 118061181 is 181160811.

It is not a de Polignac number, because 118061181 - 2⁵ = 118061149 is a prime.

It is a super-2 number, since 2×118061181² = 27876884918229522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118061189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20271 + ... + 25436.

It is an arithmetic number, because the mean of its divisors is an integer number (8318856).

Almost surely, 2^118061181 is an apocalyptic number.

It is an amenable number.

118061181 is a deficient number, since it is larger than the sum of its proper divisors (81591363).

118061181 is a wasteful number, since it uses less digits than its factorization.

118061181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45761 (or 45758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 27.

The square root of 118061181 is about 10865.5962100568. The cubic root of 118061181 is about 490.5715682058.

The spelling of 118061181 in words is "one hundred eighteen million, sixty-one thousand, one hundred eighty-one".