118812168253 has 2 divisors, whose sum is σ = 118812168254. Its totient is φ = 118812168252.

The previous prime is 118812168227. The next prime is 118812168257. The reversal of 118812168253 is 352861218811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114597821529 + 4214346724 = 338523^2 + 64918^2 .

It is a cyclic number.

It is not a de Polignac number, because 118812168253 - 2⁹ = 118812167741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118812168257) 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, 59406084126 + 59406084127.

It is an arithmetic number, because the mean of its divisors is an integer number (59406084127).

Almost surely, 2^118812168253 is an apocalyptic number.

It is an amenable number.

118812168253 is a deficient number, since it is larger than the sum of its proper divisors (1).

118812168253 is an equidigital number, since it uses as much as digits as its factorization.

118812168253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 46.

The spelling of 118812168253 in words is "one hundred eighteen billion, eight hundred twelve million, one hundred sixty-eight thousand, two hundred fifty-three".