118861163 has 2 divisors, whose sum is σ = 118861164. Its totient is φ = 118861162.

The previous prime is 118861157. The next prime is 118861187. The reversal of 118861163 is 361168811.

It is a weak prime.

It is an emirp because it is prime and its reverse (361168811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118861163 - 2²² = 114666859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118861133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59430581 + 59430582.

It is an arithmetic number, because the mean of its divisors is an integer number (59430582).

Almost surely, 2^118861163 is an apocalyptic number.

118861163 is a deficient number, since it is larger than the sum of its proper divisors (1).

118861163 is an equidigital number, since it uses as much as digits as its factorization.

118861163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 118861163 is about 10902.3466739964. The cubic root of 118861163 is about 491.6771117702.

The spelling of 118861163 in words is "one hundred eighteen million, eight hundred sixty-one thousand, one hundred sixty-three".