118408185061 has 2 divisors, whose sum is σ = 118408185062. Its totient is φ = 118408185060.

The previous prime is 118408185013. The next prime is 118408185121. The reversal of 118408185061 is 160581804811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109683504225 + 8724680836 = 331185^2 + 93406^2 .

It is a cyclic number.

It is not a de Polignac number, because 118408185061 - 2¹¹ = 118408183013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118408184999 and 118408185017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118408189061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59204092530 + 59204092531.

It is an arithmetic number, because the mean of its divisors is an integer number (59204092531).

Almost surely, 2^118408185061 is an apocalyptic number.

It is an amenable number.

118408185061 is a deficient number, since it is larger than the sum of its proper divisors (1).

118408185061 is an equidigital number, since it uses as much as digits as its factorization.

118408185061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 43.

Adding to 118408185061 its reverse (160581804811), we get a palindrome (278989989872).

The spelling of 118408185061 in words is "one hundred eighteen billion, four hundred eight million, one hundred eighty-five thousand, sixty-one".