118931661053 has 2 divisors, whose sum is σ = 118931661054. Its totient is φ = 118931661052.

The previous prime is 118931660993. The next prime is 118931661067. The reversal of 118931661053 is 350166139811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71039840089 + 47891820964 = 266533^2 + 218842^2 .

It is a cyclic number.

It is not a de Polignac number, because 118931661053 - 2¹⁴ = 118931644669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118931660995 and 118931661013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118931669053) 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, 59465830526 + 59465830527.

It is an arithmetic number, because the mean of its divisors is an integer number (59465830527).

Almost surely, 2^118931661053 is an apocalyptic number.

It is an amenable number.

118931661053 is a deficient number, since it is larger than the sum of its proper divisors (1).

118931661053 is an equidigital number, since it uses as much as digits as its factorization.

118931661053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 118931661053 in words is "one hundred eighteen billion, nine hundred thirty-one million, six hundred sixty-one thousand, fifty-three".