118862382181 has 2 divisors, whose sum is σ = 118862382182. Its totient is φ = 118862382180.

The previous prime is 118862382139. The next prime is 118862382187. The reversal of 118862382181 is 181283268811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68753559681 + 50108822500 = 262209^2 + 223850^2 .

It is a cyclic number.

It is not a de Polignac number, because 118862382181 - 2⁷ = 118862382053 is a prime.

It is a super-2 number, since 2×118862382181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118862382187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59431191090 + 59431191091.

It is an arithmetic number, because the mean of its divisors is an integer number (59431191091).

Almost surely, 2^118862382181 is an apocalyptic number.

It is an amenable number.

118862382181 is a deficient number, since it is larger than the sum of its proper divisors (1).

118862382181 is an equidigital number, since it uses as much as digits as its factorization.

118862382181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 49.

The spelling of 118862382181 in words is "one hundred eighteen billion, eight hundred sixty-two million, three hundred eighty-two thousand, one hundred eighty-one".