118824551 has 2 divisors, whose sum is σ = 118824552. Its totient is φ = 118824550.

The previous prime is 118824547. The next prime is 118824553. The reversal of 118824551 is 155428811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118824551 - 2² = 118824547 is a prime.

Together with 118824553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118824553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59412275 + 59412276.

It is an arithmetic number, because the mean of its divisors is an integer number (59412276).

Almost surely, 2^118824551 is an apocalyptic number.

118824551 is a deficient number, since it is larger than the sum of its proper divisors (1).

118824551 is an equidigital number, since it uses as much as digits as its factorization.

118824551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 35.

The square root of 118824551 is about 10900.6674566285. The cubic root of 118824551 is about 491.6266239278.

The spelling of 118824551 in words is "one hundred eighteen million, eight hundred twenty-four thousand, five hundred fifty-one".