118851359617 has 2 divisors, whose sum is σ = 118851359618. Its totient is φ = 118851359616.

The previous prime is 118851359611. The next prime is 118851359629. The reversal of 118851359617 is 716953158811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94891105936 + 23960253681 = 308044^2 + 154791^2 .

It is an emirp because it is prime and its reverse (716953158811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118851359617 - 2¹⁵ = 118851326849 is a prime.

It is not a weakly prime, because it can be changed into another prime (118851359611) 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, 59425679808 + 59425679809.

It is an arithmetic number, because the mean of its divisors is an integer number (59425679809).

Almost surely, 2^118851359617 is an apocalyptic number.

It is an amenable number.

118851359617 is a deficient number, since it is larger than the sum of its proper divisors (1).

118851359617 is an equidigital number, since it uses as much as digits as its factorization.

118851359617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 55.

The spelling of 118851359617 in words is "one hundred eighteen billion, eight hundred fifty-one million, three hundred fifty-nine thousand, six hundred seventeen".