118353551 has 2 divisors, whose sum is σ = 118353552. Its totient is φ = 118353550.

The previous prime is 118353539. The next prime is 118353569. The reversal of 118353551 is 155353811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118353551 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118353251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59176775 + 59176776.

It is an arithmetic number, because the mean of its divisors is an integer number (59176776).

Almost surely, 2^118353551 is an apocalyptic number.

118353551 is a deficient number, since it is larger than the sum of its proper divisors (1).

118353551 is an equidigital number, since it uses as much as digits as its factorization.

118353551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 32.

The square root of 118353551 is about 10879.0418236166. The cubic root of 118353551 is about 490.9761894203.

The spelling of 118353551 in words is "one hundred eighteen million, three hundred fifty-three thousand, five hundred fifty-one".