118334541643 has 2 divisors, whose sum is σ = 118334541644. Its totient is φ = 118334541642.

The previous prime is 118334541593. The next prime is 118334541667. The reversal of 118334541643 is 346145433811.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (346145433811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118334541643 is a prime.

It is a super-2 number, since 2×118334541643² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118334541643.

It is not a weakly prime, because it can be changed into another prime (118334541343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59167270821 + 59167270822.

It is an arithmetic number, because the mean of its divisors is an integer number (59167270822).

Almost surely, 2^118334541643 is an apocalyptic number.

118334541643 is a deficient number, since it is larger than the sum of its proper divisors (1).

118334541643 is an equidigital number, since it uses as much as digits as its factorization.

118334541643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The spelling of 118334541643 in words is "one hundred eighteen billion, three hundred thirty-four million, five hundred forty-one thousand, six hundred forty-three".