118580184851 has 2 divisors, whose sum is σ = 118580184852. Its totient is φ = 118580184850.

The previous prime is 118580184841. The next prime is 118580184907. The reversal of 118580184851 is 158481085811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118580184851 is a prime.

It is a super-2 number, since 2×118580184851² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118580184851.

It is not a weakly prime, because it can be changed into another prime (118580184841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59290092425 + 59290092426.

It is an arithmetic number, because the mean of its divisors is an integer number (59290092426).

Almost surely, 2^118580184851 is an apocalyptic number.

118580184851 is a deficient number, since it is larger than the sum of its proper divisors (1).

118580184851 is an equidigital number, since it uses as much as digits as its factorization.

118580184851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 409600, while the sum is 50.

The spelling of 118580184851 in words is "one hundred eighteen billion, five hundred eighty million, one hundred eighty-four thousand, eight hundred fifty-one".