118775454653 has 2 divisors, whose sum is σ = 118775454654. Its totient is φ = 118775454652.

The previous prime is 118775454613. The next prime is 118775454671. The reversal of 118775454653 is 356454577811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80998867609 + 37776587044 = 284603^2 + 194362^2 .

It is an emirp because it is prime and its reverse (356454577811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118775454653 - 2⁸ = 118775454397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118775454613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59387727326 + 59387727327.

It is an arithmetic number, because the mean of its divisors is an integer number (59387727327).

Almost surely, 2^118775454653 is an apocalyptic number.

It is an amenable number.

118775454653 is a deficient number, since it is larger than the sum of its proper divisors (1).

118775454653 is an equidigital number, since it uses as much as digits as its factorization.

118775454653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112000, while the sum is 56.

The spelling of 118775454653 in words is "one hundred eighteen billion, seven hundred seventy-five million, four hundred fifty-four thousand, six hundred fifty-three".